Codes and Frequencies
An 'X' indicates the category is available for that sample
Code | Label |
15
|
10
|
05
|
00
|
87
|
---|---|---|---|---|---|---|
00 | Haven't started | X | X | X | X | X |
01 | 1 year | · | · | · | · | X |
02 | 2 years | · | · | · | · | X |
03 | 3 years | · | · | · | · | X |
04 | 4 years | · | · | · | · | · |
05 | 5 years | · | · | · | · | X |
06 | 6 years | X | X | X | · | · |
07 | 7 years | X | X | X | · | X |
08 | 8 years | X | X | X | X | X |
09 | 9 years | X | X | X | X | X |
10 | 10 years | X | X | X | X | X |
11 | 11 years | X | X | X | X | X |
12 | 12 years | X | X | X | X | X |
13 | 13 years | X | X | X | X | X |
14 | 14 years | X | X | X | X | X |
15 | 15 years | X | X | X | X | X |
16 | 16 years | X | X | X | X | X |
17 | 17 years | X | X | X | X | X |
18 | 18 years | X | X | X | X | X |
19 | 19 years | X | X | X | X | X |
20 | 20 years | X | X | X | X | X |
21 | 21 years | X | X | X | X | X |
22 | 22 years | X | X | X | · | X |
23 | 23 years | X | · | X | X | · |
24 | 24 years | X | X | · | · | · |
Code | Label |
15
|
10
|
05
|
00
|
87
|
25 | 25 years | X | X | X | X | · |
26 | 26 years | · | X | · | · | · |
27 | 27 years | · | · | · | · | · |
28 | 28 years | X | · | · | X | · |
29 | 29 years | · | X | · | · | · |
30 | 30 years | · | X | X | · | · |
31 | 31 years | · | · | · | · | · |
32 | 32 years | · | · | X | X | · |
33 | 33 years | · | · | · | · | · |
34 | 34 years | · | · | · | · | X |
35 | 35 years | · | · | · | X | · |
36 | 36 years | · | · | · | X | · |
37 | 37 years | · | · | · | · | · |
38 | 38 years | · | · | · | X | · |
39 | 39 years | · | · | · | · | · |
40 | 40 years | · | X | X | X | · |
41 | 41 years | · | · | · | X | · |
42 | 42 years | X | · | X | · | · |
43 | 43 years | · | · | · | · | · |
44 | 44 years | · | X | · | X | · |
45 | 45 years | X | X | · | X | X |
46 | 46 years | · | · | · | · | · |
47 | 47 years | X | · | · | X | X |
48 | 48 years | X | · | · | X | · |
49 | 49 years | · | · | · | X | · |
Code | Label |
15
|
10
|
05
|
00
|
87
|
50 | 50 years | · | X | · | X | · |
51 | 51 years | X | X | · | · | X |
52 | 52 years | · | · | X | X | · |
53 | 53 years | · | · | · | · | X |
54 | 54 years | X | · | X | X | · |
55 | 55 years | · | · | · | · | X |
56 | 56 years | · | · | · | · | · |
57 | 57 years | · | · | X | · | · |
58 | 58 years | · | · | · | · | · |
59 | 59 years | · | · | · | · | · |
60 | 60+ years | · | · | · | · | · |
96 | NIU | X | X | X | X | X |
97 | Unknown-refused | X | X | X | X | · |
98 | Unknown-not ascertained | X | X | X | X | · |
99 | Unknown-don't know | X | X | X | X | X |
Can't find the category you are looking for? Try the Detailed codes
Description
For sample female adults aged 18 and older, MENARCH reports the age when the respondent had her first menstrual period.
MENARCH was first introduced in 1987, as part of a supplement on cancer epidemiology.
Universe
- 1987: Half of female sample adults age 18+ (excluded from CACT).
- 2000; 2005; 2010; 2015: Female sample adults age 18+.
Availability
- 1987, 2000, 2005, 2010, 2015
Weights
- 1987, 2000, 2005, 2010, 2015 : SAMPWEIGHT

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