Variable | Model I Empty model | Model II aOR [95% CI] | Model III aOR [95%CI] | Model IV aOR [95%CI] |
---|---|---|---|---|
Fixed effect results | ||||
 Women’ s age (years) | ||||
  15–19 |  | 1.00 |  | 1.00 |
  20–24 |  | 1.81*** [1.69, 1.94] |  | 1.75*** [1.63, 1.87] |
  25–29 |  | 3.21*** [2.98, 3.46] |  | 2.96*** [2.75, 3.20] |
  30–34 |  | 5.04*** [4.65, 5.47] |  | 4.51*** [4.15, 4.89] |
  35–39 |  | 6.56*** [6.03, 7.14] |  | 5.74*** [5.27, 6.25] |
  40–44 |  | 7.12*** [6.53, 7.78] |  | 6.25*** [5.72, 6.83] |
  45–49 |  | 7.89*** [7.21, 8.63] |  | 6.89*** [6.28, 7.55] |
 Marital status | ||||
  Never in union |  | 1.00 |  | 1.00 |
  Married |  | 1.20*** [1.13, 1.28] |  | 1.21*** [1.14, 1.30] |
  Cohabiting |  | 1.16*** [1.07, 1.26] |  | 1.19*** 1.10, 1.28] |
  Widowed |  | 1.02 [0.92, 1.13] |  | 1.02 [0.92, 1.14] |
  Divorced |  | 1.27*** [1.14, 1.41] |  | 1.24*** [1.11, 1.38] |
  Separated |  | 1.04 [0.95, 1.15] |  | 1.05 [0.96, 1.16] |
 Level of education | ||||
  No education |  | 1.00 |  | 1.00 |
  Primary |  | 1.48*** [1.42, 1.55] |  | 1.41***[1.35, 1.48] |
  Secondary |  | 2.03*** [1.93, 2.13] |  | 1.68*** [1.60, 1.76] |
  Higher |  | 2.15*** [1.99, 2.33] |  | 1.65***[1.53, 1.79] |
 Current working status | ||||
  Not working |  | 1.00 |  | 1.00 |
  Working |  | 0.92*** [0.89, 0.95] |  | 0.93*** [0.89, 0.96] |
 Parity | ||||
  None |  | 1.00 |  | 1.00 |
  One birth |  | 1.14*** [1.06, 1.22] |  | 1.18*** [1.10, 1.27] |
  Two births |  | 1.19*** [1.11, 1.29] |  | 1.27*** [1.18, 1.38] |
  Three births |  | 1.19*** [1.10, 1.29] |  | 1.30*** [1.20, 1.41] |
  Four or more births |  | 1.02 [0.95, 1.10] |  | 1.18*** [1.09, 1.28] |
 Frequency of watching television | ||||
  Not at all |  | 1.00 |  | 1.00 |
  Less than once a week |  | 1.87*** [1.79, 1.97] |  | 1.51*** [1.44, 1.58] |
  At least once a week |  | 2.84*** [2.72, 2.97] |  | 1.97*** [1.88, 2.06] |
 Household size | ||||
  Small |  |  | 1.00 | 1.00 |
  Medium |  |  | 0.91*** [0.88, 0.94] | 0.98 [0.94, 1.02] |
  Large |  |  | 0.83*** [0.79, 0.88] | 0.97 [0.91, 1.03] |
 Wealth index | ||||
  Poorest |  |  | 1.00 | 1.00 |
  Poorer |  |  | 1.37*** [1.29, 1.46] | 1.31*** [1.23, 1.39] |
  Middle |  |  | 1.74*** [1.64, 1.85] | 1.54*** [1.45, 1.64] |
  Richer |  |  | 2.22*** [2.09, 2.37] | 1.87*** [1.75, 2.00] |
  Richest |  |  | 2.68*** [2.51, 2.87] | 2.01*** [1.87, 2.15] |
 Type of place of residence | ||||
  Rural |  |  | 1.00 | 1.00 |
  Urban |  |  | 1.90*** [1.81, 1.99] | 1.64*** [1.56, 1.73] |
 Random effect model | ||||
  PSU variance (95% CI) | 0.347 [0.310, 0.388] | 0.209 [0.181, 0.243] | 0.253 [0.223, 0.287] | 0.214 [0.185, 0.247] |
  ICC | 0.095 | 0.060 | 0.071 | 0.061 |
  Wald Chi-square | Reference | 8695.52 | 3003.78 | 9074.98 |
 Model fitness | ||||
  Log-likelihood | − 217,118.92 | − 191,804.6 | − 207,041.47 | − 188,612.12 |
  AIC | 434,241.8 | 383,655.2 | 414,191.9 | 377,284.2 |
  N | 177,329 | 177,329 | 177,329 | 177,329 |
  Number of clusters | 1691 | 1691 | 1691 | 1691 |