Sociodemographic characteristics of the sample (N=1614)
| Total N (%; 95% CI) | Men N (%; 95% CI) | Women N (%; 95% CI) | χ2; p value | |
| Total | 1614 (100.0; 100 to 100) | 807 (50.0; 46.6 to 53.5) | 807 (50.; 46.6 to 53.5) | |
| Residence area | 0, 1.00 | |||
| Rural | 906 (56.1; 52.9 to 59.4) | 453 (50.0; 45.8 to 54.2) | 453 (50.0; 45.8 to 54.2) | |
| Urban | 708 (43.8; 40.2 to 47.5) | 354 (50.0; 44.8 to 55.2) | 354 (50.0; 44.8 to 55.2) | |
| Employment | 1.4, 0.26 | |||
| Yes | 897 (57.65; 54.42 to 60.88) | 457 (50.95; 46.37 to 55.53) | 440 (49.05; 44.38 to 53.72) | |
| No | 659 (42.35; 38.58 to 46.12) | 316 (47.95; 42.44 to 53.46) | 343 (52.05; 46.76 to 57.34) | |
| Education level | 18.4, 0.001 | |||
| None | 62 (3.9; −0.91 to 8.8) | 29 (46.8; 28.6 to 64.9) | 33 (53.2; 36.2 to 70.3) | |
| Primary school | 172 (10.9; 6.2 to 15.6) | 69 (40.1; 28.6 to 51.7) | 103 (59.9; 50.4 to 69.4) | |
| High school | 898 (56.9; 53.6 to 60.1) | 437 (48.7; 44.0 to 53.4) | 461 (51.3; 46.8 to 55.9) | |
| Professional | 54 (3.4; −1.4 to 8.3) | 27 (50.0; 31.1 to 68.9) | 27 (50.0; 31.1 to 68.9) | |
| University | 393 (24.9; 20.6 to 29.2) | 229 (58.3; 51.9 to 64.7) | 164 (41.7; 34.2 to 49.3) | |
| Age | 3.5, 0.62 | |||
| 18–24 years | 387 (26.2; 21.8 to 30.6) | 183 (47.3; 40.1 to 54.5) | 204 (52.7; 45.9 to 59.6) | |
| 25–34 years | 485 (32.8; 28.7 to 37.0) | 254 (52.4; 46.2 to 58.5) | 231 (47.6; 41.2 to 54.1) | |
| 35–44 years | 303 (20.5; 16.0 to 25.1) | 151 (49.8; 41.9 to 57.8) | 152 (50.2; 42.2 to 58.1) | |
| 45–54 years | 174 (11.8; 7.0 to 16.6) | 95 (54.6; 44.6 to 64.6) | 79 (45.4; 34.4 to 56.4) | |
| 55–64 years | 102 (6.9; 2.0 to 11.8) | 51 (50.0; 36.3 to 63.7) | 51 (50.0; 36.3 to 63.7) | |
| 65 and more | 26 (1.8; −3.3 to 6.8) | 13 (50.0; 22.8 to 77.2) | 13 (50.0; 22.8 to 77.2) | |
| Religion | 7.2, 0.21 | |||
| Catholic | 714 (44.6; 40.9 to 48.2) | 341 (47.8; 42.5 to 53.1) | 373 (52.2; 47.2 to 57.3) | |
| Protestant | 401 (25.0; 20.8 to 29.3) | 205 (51.1; 44.3 to 58.0) | 196 (48.9; 41.9 to 55.9) | |
| Animist | 30 (1.9; −3.0 to 6.7) | 11 (36.7; 8.2 to 65.2) | 19 (63.3; 41.7 to 85.0) | |
| Kimbanguist | 73 (4.6; −0.2 to 9.4) | 35 (48.0; 31.4 to 64.5) | 38 (52.1; 36.2 to 67.9) | |
| Muslim | 52 (3.2; −1.6 to 8.1) | 30 (57.7; 40.0 to 75.4) | 22 (42.3; 21.7 to 63.0) | |
| Other | 332 (20.7; 16.4 to 25.1) | 179 (53.9; 46.6 to 61.2) | 153 (46.1; 38.2 to 54.0) | |
| Marital status | 14.1, 0.01 | |||
| Single | 573 (36.4; 32.5 to 40.3) | 292 (51.0; 45.2 to 56.7) | 281 (49.0; 43.2 to 54.9) | |
| Married | 745 (47.3; 43.7 to 50.9) | 377 (50.6; 45.6 to 55.7) | 368 (49.4; 44.3 to 54.5) | |
| Divorced | 62 (4.0; −0.9 to 8.8) | 23 (37.1; 17.4 to 56.8) | 39 (62.9; 47.7 to 78.1) | |
| Separated | 33 (2.1; −2.8 to 8.0) | 18 (54.6; 31.6 to 77.6) | 15 (45.5; 20.3 to 70.7) | |
| Widowed | 42 (2.7; −2.2 to 7.6) | 11 (26.2; −0.2 to 52.2) | 31 (73.8; 58.3 to 89.3) | |
| In a relationship | 119 (7.6; 2.8 to 12.3) | 59 (49.6; 36.8 to 62.3) | 60 (50.4; 37.8 to 63.1) | |