Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
18
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17
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16
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15
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14
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13
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12
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11
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10
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09
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08
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07
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06
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05
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04
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03
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02
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01
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00
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99
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98
|
97
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 00 | NIU | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 01 | 1 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 02 | 2 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 03 | 3 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 04 | 4 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 05 | 5 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 06 | 6 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 07 | 7 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 08 | 8 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 09 | 9 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 10 | 10 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 11 | 11 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 12 | 12 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 13 | 13 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 14 | 14 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 15 | 15 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 16 | 16 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 17 | 17 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 18 | 18 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 19 | 19 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 20 | 20 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 21 | 21 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 22 | 22 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 23 | 23 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 24 | 24 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Code | Label |
18
|
17
|
16
|
15
|
14
|
13
|
12
|
11
|
10
|
09
|
08
|
07
|
06
|
05
|
04
|
03
|
02
|
01
|
00
|
99
|
98
|
97
|
| 25 | 25 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 26 | 26 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 27 | 27 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 28 | 28 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 29 | 29 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 30 | 30 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 31 | 31 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 32 | 32 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 33 | 33 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 34 | 34 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 35 | 35 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 36 | 36 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 37 | 37 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 38 | 38 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · |
| 39 | 39 | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X |
| 40 | 40 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 41 | 41 | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | · | X | X | · | X | X | X |
| 42 | 42 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 43 | 43 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 44 | 44 | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | · | · | · | X | X | X | X |
| 45 | 45 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 46 | 46 | X | X | X | X | X | X | X | X | · | · | X | X | X | X | X | X | X | X | · | X | X | X |
| 47 | 47 | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | X | X | X | X | X |
| 48 | 48 | X | X | X | X | X | X | X | X | X | X | X | X | · | X | · | X | X | X | X | X | X | X |
| 49 | 49 | X | X | X | X | X | X | X | X | X | · | X | X | · | · | · | X | X | · | · | X | X | X |
| Code | Label |
18
|
17
|
16
|
15
|
14
|
13
|
12
|
11
|
10
|
09
|
08
|
07
|
06
|
05
|
04
|
03
|
02
|
01
|
00
|
99
|
98
|
97
|
| 50 | 50 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 51 | 51 | X | X | X | X | X | X | X | X | X | · | X | · | X | X | X | X | X | X | · | X | · | X |
| 52 | 52 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X |
| 53 | 53 | X | X | X | X | X | X | · | X | X | X | X | · | X | X | X | X | X | · | · | X | X | X |
| 54 | 54 | X | X | X | X | X | X | X | X | X | X | · | X | · | · | X | X | X | X | X | X | X | X |
| 55 | 55 | X | X | X | X | X | X | X | X | X | X | · | X | · | X | X | X | X | X | X | X | X | X |
| 56 | 56 | X | X | X | X | X | X | X | X | · | · | X | · | · | X | X | · | X | X | · | · | X | X |
| 57 | 57 | X | X | X | X | X | X | X | X | X | X | X | · | · | X | X | X | · | X | · | · | X | X |
| 58 | 58 | X | X | X | X | X | X | X | X | X | · | X | · | · | X | X | X | · | · | · | X | · | X |
| 59 | 59 | X | · | X | X | · | · | X | · | · | · | X | · | · | · | · | X | X | · | · | X | X | · |
| 60 | 60 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 61 | 61 | X | X | X | X | · | X | X | X | · | · | · | · | · | X | X | · | X | · | · | · | · | · |
| 62 | 62 | X | X | X | X | · | X | · | · | · | X | · | X | · | · | · | X | · | · | X | · | · | · |
| 63 | 63 | X | X | · | X | · | X | X | X | · | X | X | X | X | · | · | X | · | · | X | X | · | X |
| 64 | 64 | · | X | X | · | X | X | X | · | X | · | · | X | · | X | · | · | · | · | · | · | X | X |
| 65 | 65 | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | · | X | · | X | X | X | X |
| 66 | 66 | X | X | · | X | X | X | X | · | · | · | · | X | · | · | X | X | · | · | X | · | · | · |
| 67 | 67 | X | · | · | · | X | X | X | X | · | · | · | · | · | X | X | X | · | · | · | · | X | · |
| 68 | 68 | X | X | · | · | · | X | · | X | · | X | · | · | X | · | · | · | · | · | X | · | · | · |
| 69 | 69 | X | · | X | · | X | · | X | X | · | · | · | · | X | · | · | · | · | · | · | · | · | · |
| 70 | 70 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X |
| 71 | 71 | · | · | · | · | · | X | · | · | · | · | X | · | · | · | · | · | · | · | X | X | · | · |
| 72 | 72 | · | X | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | X | · | X | · | · |
| 73 | 73 | · | · | X | X | · | X | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 74 | 74 | X | · | · | X | X | · | · | · | · | · | · | X | · | · | · | · | X | · | · | · | · | X |
| Code | Label |
18
|
17
|
16
|
15
|
14
|
13
|
12
|
11
|
10
|
09
|
08
|
07
|
06
|
05
|
04
|
03
|
02
|
01
|
00
|
99
|
98
|
97
|
| 75 | 75 | X | · | X | · | X | · | · | · | X | · | X | X | X | · | · | · | X | · | · | X | X | · |
| 76 | 76 | X | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · |
| 77 | 77 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 78 | 78 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · | · |
| 79 | 79 | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · |
| 80 | 80 | · | X | X | · | X | · | X | X | X | · | X | X | · | · | · | · | X | X | X | X | · | · |
| 81 | 81 | X | · | · | · | · | · | X | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · |
| 82 | 82 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 83 | 83 | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 84 | 84 | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · |
| 85 | 85 | · | · | X | X | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | · |
| 86 | 86 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 87 | 87 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 88 | 88 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 89 | 89 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 90 | 90 | · | · | · | · | · | X | X | · | · | · | · | · | · | · | · | · | · | · | · | · | · | X |
| 91 | 91 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 92 | 92 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 93 | 93 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 94 | 94 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 95 | 95+ | X | X | X | X | X | X | X | · | X | X | · | · | · | X | X | · | · | · | · | · | · | · |
| 96 | Since birth | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 97 | Unknown-refused | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X |
| 98 | Unknown-not ascertained | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | · | X | X | · | · | · |
| 99 | Unknown-don't know | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Can't find the category you are looking for? Try the Detailed codes
Description
For Sample Adults age 18+ who, without using special equipment, had any difficulty with one or more functional activities (FLANY), and for whom a back or neck problem was reported as a condition causing a functional activity limitation (FLBACK), FLBACKNO reports the number of time units the respondent stated when reporting the duration of the back or neck problem.
Data on the duration of the limiting back or neck problem were collected via the question, "How long have you had [a back or neck problem]?" Respondents could answer this open-ended question using the time unit of their choice (i.e., days, weeks, months, years, or since birth). The original responses to the question are reported in two complementary variables, FLBACKTP (which specifies the time unit) and FLBACKNO (which reports the number of such units). As noted in the Codebooks for 1997 forward, "years are topcoded at 85." For the NHIS public use files, the National Center for Health Statistics (NCHS) recoded the results from these two variables to create two other variables using standard time units: years (FLBACKY) and groups of months (FLBACKMO).
Universe
- 1997-2013; 2014 2015 2016 2017 2018: Sample adults age 18+ who have difficulty with activities due to back or neck problem.
Availability
- 1997-2018
Weights
- 1997-2018 : SAMPWEIGHT
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