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. 2015 Mar 18;10(3):e0121758. doi: 10.1371/journal.pone.0121758

Table 2. Probit regression models for contraceptive use (ref: non-users).

  Model 1   Model 2   Model 3   Model 4  
Level 1—Women                
Wealth index                
Linear 0.464 *** 0.205 *** 0.214 *** -
Difference -   -   -   0.180 ***
Education (Ref: No formal education)                
Primary -   0.280 *** 0.300 *** 0.298 ***
Secondary or Higher -   0.658 *** 0.732 *** 0.725 ***
Religion (ref: Catholic)                
Evangelical/Pentecostal -   -0.104 -0.043 -0.041
Zionist -   -0.157 * -0.103 -0.103
Islamic -   -0.048 -0.026 -0.032
Other -   -0.260 ** -0.250 *** -0.251 ***
Age (ref: 20–24)                
15–19 years -   -0.090 -0.091 -0.092
25–29 years -   -0.027 -0.064 -0.064
30–34 years -   -0.142 -0.210 ** -0.212 **
35–39 years -   -0.197 * -0.284 *** -0.287 ***
40–44 years -   -0.482 *** -0.584 *** -0.588 ***
45–49 years -   -0.695 *** -0.876 *** -0.880 ***
Marital status (ref: Married)                
Other -   -0.059 -0.052 -0.054
Currently residing with husband/partner (ref: yes)                
No -   -0.139 * -0.199 ** -0.200 **
Other wives (ref: No)                
Yes -   0.042 0.046 0.047
Female occupation (ref: Not working)                
Working -   0.003 0.058 0.059
Distance to medical help (ref: no big problem)                
A big problem -   -0.080 -0.034 -0.028
Living children (reference: 1)                
0 -   -0.965 *** -0.910 ** -0.908 ***
2 -   0.195 * 0.277 *** 0.275 ***
3 -   0.207 * 0.346 ** 0.346 ***
4+ -   0.467 *** 0.639 *** 0.642 ***
Thresholds 1.156 *** 1.666 *** 1.872 *** 1.837 ***
Level 2—Communities                
Wealth index                
Wealth Index (PSU) -   -   -   0.260 ***
Residence (ref: Rural)                
Urban -   0.123 0.130 * 0.084
Region (ref:Nampula)                
Niassa -   0.384 ** 0.417 ** 0.416 **
Cabo Delgado -   -0.288 -0.284 -0.289
Nampula -   -0.117 -0.153 -0.154
Tete -   0.710 ** 0.711 *** 0.696 ***
Manica -   0.362 ** 0.316 * 0.298 *
Sofala -   0.143 0.204 0.191
Inhambane -   0.415 ** 0.400 ** 0.373 **
Gaza -   0.693 ** 0.701 *** 0.669 ***
Maputo -   0.724 *** 0.751 *** 0.694 ***
Var(u j) -   -   0.065 *** 0.065 *** 
ICC         0.061   0.061  

Notes: Residual variance is equal to 1;

*** (p < 0.001),

** (p < 0.01),

* (p < 0.05).