Period | From 2005 to 2006 | From 2007 to 2009 | From 2010 to 2012 | From 2013 to 2015 | From 2016 to 2018 | P for trend |
---|---|---|---|---|---|---|
Weighted sample | 795 012 | 1 312 910 | 1 408 368 | 1 680 496 | 1 926 978 | |
Percentage and CI95% | ||||||
Women | 93.5 [92.2 to 94.8] | 92.7 [91.6 to 93.7] | 90.1 [88.8 to 91.3] | 87.1 [85.8 to 88.4] | 86.0 [84.8 to 87.3] | < 0.001 |
Age (years) | ||||||
≤ 24 | 20.1 [17.7 to 22.4] | 20.1 [18.3 to 22.0] | 22.2 [20.3 to 24.2] | 24.5 [22.8 to 26.3] | 26.5 [24.8 to 28.3] | < 0.001 |
From 25 to 44 | 52.2 [49.3 to 55.1] | 49.5 [47.2 to 51.8] | 45.1 [42.8 to 47.4] | 42.8 [40.8 to 44.8] | 41.3 [39.4 to 43.3] | < 0.001 |
From 45 to 64 | 26.2 [23.6 to 28.8] | 28.3 [26.3 to 30.2] | 30.5 [28.2 to 32.7] | 29.2 [27.4 to 31.1] | 28.1 [26.4 to 29.8] | 0.46 |
≥ 65 | 1.5 [0.8 to 2.2] | 2.1 [1.3 to 2.9] | 2.2 [1.6 to 2.8] | 3.4 [2.5 to 4.3] | 4.1 [3.2 to 5.0] | < 0.001 |
Marital status | ||||||
Married or union free | 58.1 [55.2 to 61.0] | 56.6 [54.4 to 58.9] | 54.5 [52.2 to 56.7] | 53.1 [51.0 to 55.1] | 49.6 [47.7 to 51.6] | < 0.001 |
Single | 31.8 [29.0 to 34.6] | 31.4 [29.3 to 33.5] | 34.8 [32.7 to 37.0] | 36.7 [34.7 to 38.6] | 39.1 [37.1 to 41.1] | < 0.001 |
Divorced or widowed | 10.1 [8.4 to 11.7] | 11.9 [10.5 to 13.4] | 10.7 [9.4 to 12.0] | 10.3 [9.1 to 11.4] | 11.3 [10.0 to 12.5] | 0.936 |
University-trained | ||||||
No | 59.9 [57.2 to 62.5] | 59.0 [56.8 to 61.3] | 48.6 [46.3 to 50.9] | 49.5 [47.4 to 51.6] | 42.6 [40.5 to 44.7] | < 0.001 |
Yes | 40.1 [37.5 to 42.8] | 41.0 [38.7 to 43.2] | 51.4 [49.1 to 53.7] | 50.5 [48.4 to 52.6] | 57.4 [55.3 to 59.5] | < 0.001 |
Residence place | ||||||
Rural | 4.8 [3.5 to 6.1] | 7.8 [6.3 to 9.4] | 7.4 [6.0 to 8.7] | 7.2 [5.8 to 8.6] | 8.4 [7.1 to 9.6] | 0.030 |
Semi-urban | 12.4 [9.8 to 15.1] | 10.7 [8.8 to 12.7] | 11.5 [9.5 to 13.5] | 11.4 [9.7 to 13.1] | 12.7 [11.1 to 14.4] | 0.478 |
Urban | 16.9 [13.8 to 19.9] | 17.2 [14.6 to 19.8] | 15.9 [13.4 to 18.4] | 18.0 [15.6 to 20.4] | 17.0 [15.1 to 19.0] | 0.789 |
Metropolitan | 65.9 [62.3 to 69.4] | 64.2 [61.2 to 67.2] | 65.3 [62.4 to 68.2] | 63.3 [60.7 to 66.0] | 61.9 [59.6 to 64.2] | 0.082 |