Characteristics | Weighted numbers | Unweighted numbers | ||
% | 95% CI | % | n | |
Total | 100 | 100 | 2396 | |
Gender | ||||
Female | 38.4 | (35.0 to 42.0) | 31.3 | 751 |
Male | 61.6 | (58.0 to 65.0) | 68.7 | 1645 |
Age | ||||
18–24 | 18 | (15.2 to 21.1) | 16.6 | 398 |
25–44 | 45.7 | (42.3 to 49.2) | 46.3 | 1109 |
45–64 | 29 | (26.0 to 32.2) | 29.0 | 695 |
65 and more | 7.3 | (5.9 to 9.0) | 8.1 | 194 |
Education* | ||||
Without formal education | 1.6 | (1.1 to 2.4) | 2.1 | 49 |
Primary | 19.7 | (17.2 to 22.5) | 23.4 | 561 |
Middle school | 38.3 | (35.0 to 41.8) | 35.9 | 859 |
High school | 28.4 | (25.4 to 31.6) | 28.5 | 683 |
University and postgraduate | 11.9 | (9.8 to 14.5) | 10.1 | 242 |
Employment | ||||
Employed | 63.8 | (60.3 to 67.2) | 68.8 | 1639 |
Inactive | 32.8 | (29.5 to 36.3) | 27.9 | 665 |
Unemployed | 3.4 | (2.3 to 5.0) | 3.3 | 78 |
Socioeconomic level† | ||||
High | 20.3 | (17.8 to 23.1) | 20.2 | 484 |
Medium | 36.7 | (33.5 to 40.0) | 37.1 | 889 |
Low | 43 | (39.6 to 46.5) | 42.7 | 1023 |
*Education corresponds to the last grade completed.
†To build the socioeconomic level indicator, the Mexican Association of Market Research Agencies 8×7 method was used, which consists of assigning scores based on eight variables on characteristics of the household (number of rooms, number of bathrooms, whether there is a shower in any of the bathrooms, number of light bulbs, floor type, number of cars, whether the household has a gas or electric stove) and the head of the household (highest grade completed) collected with the survey of smokers.41 95% CI: confidence interval at 95% estimated using a normal approximation and sampling weights.
n, number of observations.