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Email use frequency: number of time units


WEBMNO is a three-digit, continuous variable.

000: NIU
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know


For sample adults, WEBMNO is one of two variables that, when used in combination, indicate the frequency with which a respondent checks his or her email account. WEBMNO reports a numerical value of how often the respondent checks his or her email account. When used in combination with the variable that reports the time period of how often email is checked (WEBMTP) the frequency with which the respondent checks their email account can be determined. Only respondents who provided a valid email address were asked this question, however, the variable reporting the email address is not publically available.


WEBMNO was introduced in 2012 along with 5 other publically-available supplementary questions regarding adult internet and email usage.


  • 2012-2018: Sample adults 18+ who gave an email address


  • 2012-2018