Table 3. Posterior odds of girls married or in union before the legal age of marriage of the fixed effects and their corresponding 95% credible intervals.
| Background characteristics | Model 1 POR [95% CI] |
Model 2 POR [95% CI] |
Model 3 POR [95% CI] |
Model 4 POR [95% CI] |
|---|---|---|---|---|
| Residential predictor | ||||
| Rural-Urban residence | ||||
| Urban | 1.00 | 1.00 | 1.00 | 1.00 |
| Rural | 1.33 [1.27, 1.40]** | 1.34 [1.27, 1.41]** | 1.14 [1.08, 1.21]** | 1.15 [1.09, 1.21]** |
| Demographic predictors | ||||
| Age in years | ||||
| 12 | 1.00 | 1.00 | 1.00 | |
| 13 | 0.95 [0.88, 1.02] | 0.97 [0.91, 1.05] | 0.98 [0.91, 1.05] | |
| 14 | 0.97 [0.90, 1.04] | 1.03 [0.96, 1.11] | 1.03 [0.96, 1.11] | |
| 15 | 1.07 [1.00, 1.14] | 1.12 [1.04, 1.20]** | 1.12 [1.04, 1.20]** | |
| 16 | 1.22 [1.14, 1.31]** | 1.31 [1.22, 1.41]** | 1.31 [1.22, 1.41]** | |
| 17 | 2.05 [1.92, 2.19]** | 2.18 [2.03, 2.34]** | 2.17 [2.02, 2.34]** | |
| Sex of head of household | ||||
| Male | 1.00 | 1.00 | 1.00 | |
| Female | 10.97 [7.53, 15.97]** | 12.48 [8.51, 18.30]** | 12.22 [8.33, 17.94]** | |
| Type of household/family | ||||
| Married couple, female head | 1.00 | 1.00 | 1.00 | |
| Married couple, male head | 12.59 [8.55, 18.54]** | 14.55 [9.81, 21.57]** | 14.17 [9.55, 21.03]** | |
| Non-married couple, male head | 0.70 [0.65, 0.76]** | 0.72 [0.66, 0.78]** | 0.71 [0.66, 0.77]** | |
| Non-married couple, female head | 5.83 [3.99, 8.52]** | 6.62 [4.50, 9.74]** | 6.45 [4.38, 9.49]** | |
| Non-family | 6.86 [5.58, 8.45]** | 6.07 [4.90, 7.51]** | 6.08 [4.91, 7.54]** | |
| Female living alone | 2.48 [1.43, 4.31]** | 2.74 [1.57, 4.80]** | 2.68 [1.53, 4.69]** | |
| Household size | ||||
| 1–2 | 1.00 | 1.00 | 1.00 | |
| 3–4 | 1.09 [0.97, 1.23] | 1.11 [0.98, 1.25] | 1.11 [0.99, 1.26] | |
| 5–6 | 0.93 [0.82, 1.05] | 0.94 [0.83, 1.06] | 0.95 [0.84, 1.07] | |
| 7–8 | 0.83 [0.74, 0.95]** | 0.82 [0.72, 0.93]** | 0.83 [0.73, 0.94]** | |
| 9+ | 0.92 [0.81, 1.04] | 0.86 [0.76, 0.98]** | 0.87 [0.77, 0.99]* | |
| Economic predictors | ||||
| Educational attainment | ||||
| No formal education | 2.54 [2.29, 2.81]** | 2.46 [2.22, 2.73]** | ||
| Primary | 1.59 [1.45, 1.74]** | 1.57 [1.43, 1.73]** | ||
| Junior high | 1.24 [1.14, 1.35]** | 1.24 [1.13, 1.35]** | ||
| Senior high or higher | 1.00 | 1.00 | ||
| Economic activity | ||||
| Employed | 1.00 | |||
| Unemployed | 2.1 [1.84, 2.41]** | 2.06 [1.80, 2.36]** | ||
| Not active | 0.74 [0.7, 0.78]** | 0.74 [0.70, 0.78]** | ||
| Household wealth status | ||||
| Poorest | 1.22 [1.12, 1.32]** | 1.19 [1.10, 1.29]** | ||
| Poor | 1.25 [1.17, 1.35]** | 1.24 [1.15, 1.33]** | ||
| Middle | 1.24 [1.14, 1.33]** | 1.22 [1.13, 1.32]** | ||
| Rich | 1.12 [1.04, 1.20]** | 1.10 [1.03, 1.18]** | ||
| Richest | 1.00 | 1.00 | ||
| Socio-cultural predictors | ||||
| Religious affiliation | ||||
| Catholic | 1.00 | |||
| No religion | 1.73 [1.55, 1.94]** | |||
| Protestants | 1.08 [1.00, 1.17]* | |||
| Pentecostal/Charismatic | 1.04 [0.97, 1.12] | |||
| Other Christian | 1.11 [1.02, 1.20]* | |||
| Moslem | 1.22 [1.13, 1.33]** | |||
| Traditionalist | 1.29 [1.15, 1.44]** | |||
| Other | 1.26 [1.01, 1.58]* | |||
| Ethnicity | ||||
| Akan | 1.00 | |||
| Ga-Dangme | 1.00 [0.90, 1.10] | |||
| Ewe | 0.95 [0.88, 1.03] | |||
| Guan | 1.09 [0.97, 1.24] | |||
| Gurma | 1.43 [1.28, 1.59]** | |||
| Mole-Dagbani | 1.17 [1.08, 1.27]** | |||
| Grusi | 1.13 [0.98, 1.30] | |||
| Mande | 1.36 [1.10, 1.69]** | |||
| Other | 0.95 [0.86, 1.05] | |||
| Variance components | ||||
| Structured Spatial Effect (SSE) | 0.5940 | 0.4149 | 0.1621 | 0.1319 |
| % change SSE | +1.3 | -30.2 | -60.9 | -18.6 |
| Unstructured Spatial Effect (USE) | 0.051 | 0.0555 | 0.0491 | 0.0502 |
| Model summary statistics | ||||
| -2 log-likelihood | 78,025.6 | 75,155.2 | 74,062.9 | 73,897.6 |
| AIC | 78,281.4 | 75,468.6 | 74,384.4 | 74,246.4 |
| Δj(AIC) | 4158.0 | 1222.2 | 138.0 | 0.0 |
| Akaike weight | 0.00 | 0.00 | 0.00 | 1.00 |
Model summary statistics for Model 0: -2 log-likelihood = 79,144.5; AIC = 78,404.4, Δj(AIC) = 4158; Variance of SSE = 0.5862; Variance of USE = 0.0581
Model 0: Structured and unstructured spatial effects only; Model 1: Residential + structured and unstructured spatial effects; Model 2: Residential + demographic + structured and unstructured spatial effects; Model 3: Residential + demographic + economic + structured and unstructured spatial effects; Model 4: Residential + demographic + economic + socio-cultural + structured and unstructured spatial effects.
**p<0.01
*p<0.05
POR–Posterior Odds Ratio; CI–Credible Interval; Δj(AIC) = AIC–AICmin, the difference between the AIC for each model and the model with the lowest AIC