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Table 3 Multilevel logistic regression results on the determinants of desire for more children among childbearing women in sub-Saharan Africa

From: Drivers of desire for more children among childbearing women in sub-Saharan Africa: implications for fertility control

Variables Null model Model I Model II Model III
Fixed effects results
Age
 15–19   1   1
 20–24   1.31*** (1.18–1.45)   1.31*** (1.18–1.45)
 25–29   1.19*** (1.07–1.31)   1.19*** (1.07–1.31)
 30–34   0.70*** (0.63–0.78)   0.70*** (0.63–0.78)
 35–39   0.32*** (0.29–0.36)   0.32*** (0.29–0.36)
 40–44   0.12*** (0.11–0.13)   0.12*** (0.11–0.13)
 45–49   0.04*** (0.03–0.04)   0.04*** (0.03–0.05)
Highest educational level
 No education   1   1
 Primary   0.72*** (0.70–0.75)   0.72*** (0.70–0.75)
 Secondary   0.78*** (0.75–0.81)   0.78*** (0.75–0.81)
 Higher   0.80*** (0.74–0.87)   0.80*** (0.74–0.87)
Partner’s highest educational level
 No education   1   1
 Primary   0.67*** (0.65–0.69)   0.67*** (0.65–0.70)
 Secondary   0.76*** (0.74–0.79)   0.77*** (0.74–0.80)
 Higher   0.88*** (0.83–0.93)   0.88*** (0.83–0.94)
Parity     
 One birth   1   
 Two births   0.29*** (0.28–0.31)   0.29*** (0.28–0.31)
 Three births   0.12*** (0.11–0.13)   0.12*** (0.11–0.13)
 Four or more births   0.10*** (0.09–0.11)   0.10*** (0.09–0.11)
Current use of contraceptives
No   1   1
Yes   0.68*** (0.66–0.70)   0.68*** (0.66–0.70)
Exposure to mass media
 No   1   1
 Yes   1.01 (0.98–1.03)   1.01 (0.99–1.04)
Ideal number of children
 0–3   1   1
 4–5   4.35*** (4.20–4.51)   4.36*** (4.20–4.51)
 6+   16.77*** (16.09–17.48)   16.76*** (16.08–17.48)
Decision making autonomy     
Respondent alone   1   1
Otherwise   1.58*** (1.51–1.65)   1.58*** (1.50–1.65)
Number of living children     
0   1   1
1–3   0.26*** (0.20–0.34)   0.26*** (0.21–0.34)
4+   0.07*** (0.06–0.10)   0.07*** (0.06–0.10)
Type of place of residence     
Urban    1 1
Rural    1.01 (0.99–1.04) 1.07*** (1.04–1.10)
Wealth index     
Poorest    1 1
Poorer    0.91*** (0.88–0.93) 0.97 (0.93-1.00)
Middle    0.84*** (0.82–0.87) 0.96 (0.93-1.00)
Richer    0.82*** (0.80–0.85) 1.00 (0.96–1.04)
Richest    0.78*** (0.76–0.81) 1.03 (0.98–1.08)
Random effects result     
PSU variance (95% CI) 0.034 (0.026–0.043) 0.016 (0.011–0.021) 0.03 (0.02–0.04) 0.016 (0.011–0.021)
ICC 0.010 0.005 0.008 0.005
LR Test χ2 = 283.67*** χ2 = 90.32*** χ2 = 240.51*** χ2 = 91.36***
Wald chi-square Reference 55040.74*** 392.00*** 55038.94***
Model fitness     
Log-likelihood -147612.87 -92583.856 -147416.23 -92570.407
AIC 295229.7 185215.7 294846.5 185198.8
N 232,784 232,784 232,784 232,784
  1. *p < 0.05, **p < 0.01, ***p < 0.001
  2. 1 Reference category; PSU Primary Sampling Unit; ICC Intra-Class Correlation; LR Test Likelihood ratio Test; AIC Akaike’s Information Criterion
  3. Model I adjusted for individual level factors only
  4. Model II adjusted for contextual factors only
  5. Model II adjusted for individual and contextual factors