Table 2. Prevalence of adolescents at the behavior change stages according to sociodemographic and economic factors.
| n | Maintenance | Action | Preparation | Contemplation | Pre-Contemplation | |
|---|---|---|---|---|---|---|
| % (95%CI) | % (95%CI) | % (95%CI) | % (95%CI) | % (95%CI) | ||
| Variables | 43.9 (42.0-45.8) | 16.2 (15.1-17.4) | 17.0 (15.5-18.5) | 16.0 (14.5-17.5) | 7.0 (6.3-8.0) | |
| Gender | ||||||
| Male | 2.894 | 57.9 (55.5-60.3) | 14.8 (13.3-16.5) | 10.7 (9.3-12.2) | 11.1 (9.6-12.9) | 5.4 (4.3-6.8) |
| Female | 3.613 | 33.6 (31.0-36.4) | 17.2 (15.6-19.0) | 21.6 (19.6-23.7) | 19.5 (17.5-21.6) | 8.1 (7.2-9.1) |
| Age | ||||||
| 15-16 years | 3.823 | 43.7 (42.1-45.2) | 18.0 (16.8-19.2) | 17.1 (15.9-18.3) | 14.2 (13.1-15.3) | 7.1 (6.3-7.9) |
| 17-19 years | 2.684 | 47.6 (45.7-49.5) | 13.7 (12.4-15.0) | 15.2 (13.9-16.6) | 16.2 (14.8-17.6) | 7.2 (6.2-8.2) |
| Area of residence | ||||||
| Rural | 1.532 | 45.8 (41.1-50.6) | 14.0 (11.6-16.7) | 17.6 (15.6-19.9) | 15.3 (12.5-18.6) | 7.3 (5.8-9.0) |
| Urban | 4.930 | 43.4 (41.5-45.4) | 16.7 (15.4-18.1) | 16.9 (15.2-18.7) | 16.1 (14.5-17.9) | 6.9 (6.1-7.8) |
| Employment situation | ||||||
| Works | 3.640 | 50.2 (48.0-52.3) | 16.2 (14.9-17.6) | 15.0 (13.5-16.6) | 13.4 (12.0-15.0) | 5.2 (4.5-6.1) |
| Does not work | 2.865 | 37.5 (34.8-40.4) | 16.2 (14.6-18.0) | 19.0 (16.6-21.7) | 18.5 (16.5-20.8) | 8.7 (7.6-9.9) |
| Family income a | ||||||
| Up to two | 2.148 | 40.9 (37.6-44.3) | 16.9 (14.7-19.3) | 19.3 (17.5-21.4) | 14.6 (12.8-16.6) | 8.3 (6.9-10.1) |
| Three to Five | 3.160 | 43.2 (40.2-46.3) | 16.4 (14.8-18.2) | 17.1 (14.7-19.7) | 16.9 (14.9-19.0) | 6.4 (5.7-7.3) |
| Six or more | 1.128 | 50.6 (47.1-54.1) | 14.7 (12.6-17.0) | 12.6 (10.3-15.2) | 15.9 (13.7-18.5) | 6.3 (4.6-8.4) |
| Maternal level of schooling | ||||||
| Elementary school | 3.600 | 43.2 (40.8-45.6) | 15.9 (14.6-17.2) | 18.0 (16.3-19.8) | 16.1 (14.0-18.3) | 6.9 (5.9-8.1) |
| High school | 1.878 | 44.1 (41.0-47.2) | 16.7 (15.0-18.6) | 15.7 (13.5-18.1) | 17.0 (14.9-19.4) | 6.6 (5.5-7.8) |
| College/university | 683 | 48.3 (44.2-52.3) | 15.0 (12.3-18.3) | 16.5 (12.4-21.8) | 13.2 (10.5-16.4) | 7.0 (5.5-8.9) |
| School grade | ||||||
| 10th | 2.014 | 44.7 (41.6-47.8) | 18.3 (16.2-20.5) | 16.9 (15.4-18.6) | 11.9 (9.6-14.7) | 8.2 (6.7-10.0) |
| 11th | 2.331 | 43.8 (41.0-46.6) | 17.2 (15.1-19.5) | 17.3 (15.0-19.8) | 15.2 (13.0-17.8) | 6.5 (5.5-7.7) |
| 12th | 2.162 | 43,2 (40.2-46.3) | 13.1 (11.4-15.1) | 16.7 (14.6-19.1) | 20.7 (18.7-22.9) | 6.3 (5.1-7.7) |
| School shift | ||||||
| Morning | 3934 | 42.9 (40.6-45.3) | 16.4 (15.1-17.7) | 17.2 (15.4-19.2) | 16.5 (14.8-18.3) | 7.1 (6.2-8.2) |
| Evening | 2573 | 46.7 (44.2-49.3) | 15.8 (13.7-18.1) | 16.4 (14.6-18.4) | 14.5 (12.6-16.6) | 6.6 (5.4-8.1) |
CI, confidence interval.
a
Minimum wages.