Page 163 - IJPS-11-5

International Journal of
Population Studies Contraception and fertility in Zambia

Table 4. Contribution of explanatory variables to the difference in prevalence of teenage pregnancy among adolescent girls
Background characteristics Due to differences in characteristics (E) Due to differences in coefficients (C)
Coefficients Percent Coefficients Percent
Contraceptive use
No Ref Ref
Yes 0.0248*** −54.84 0.0031 −6.83
Residence
Rural Ref Ref
Urban 0.0049** −10.71 −0.0097 21.44
Region
Lusaka Ref Ref
Central 0.0018* −3.91 0.0034 −7.39
Copperbelt −0.0075* 16.56 0.0139 −30.75
Eastern 0.0010* −2.29 0.0034 −7.60
Luapula 0.0009 −1.92 0.0010 −2.14
Northern 0.0025* −5.52 0.0062 −13.59
North-western 0.0027* −6.01 0.0017 −3.79
Southern −0.0062** 13.71 0.0159* −35.15
Western 0.0023*** −5.12 0.0057 −12.52
Religion
Catholic Ref Ref
Protestant −0.0005 1.00 −0.0057 12.48
Other −0.0001 0.02 −0.0005 1.04
Early sexual debut
No Ref Ref
Yes −0.0136*** 30.08 −0.0123 27.12
Woman’s education level
None Ref Ref
Primary 0.0116 −25.67 −0.0136 29.98
Secondary/higher −0.0395** 87.15 −0.0040 8.72
Employment status
Not working Ref Ref
Working −0.0096*** 21.19 0.0031 −6.74
Ideal number of children
0 – 3 Ref Ref
4 – 5 0.00000 0.00 0.0007 −1.57
6+ −0.00121 2.67 0.0077 −16.90
Exposure to media family planning messages
No Ref Ref
Yes −0.00346* 7.65 −0.0035 7.69
Constant −0.0328 72.46
Total −0.0290* 64.04 −0.0163 35.96
Note: Statistical significance determined at *p<0.05, **p<0.01, and ***p=0.001.
Abbreviations: C: Coefficients; E: Endowments; Ref: Reference category.

Volume 11 Issue 5 (2025) 157 https://doi.org/10.36922/ijps.4866