Table.
Principal component analysis
| Principal component 1 | Principal component 2 | Principal component 3 | Principal component 4 | ||
|---|---|---|---|---|---|
| Proportions and associations | |||||
| Proportion of variance explained | 0·35 | 0·30 | 0·11 | 0·09 | |
| Cumulative proportion | 0·35 | 0·64 | 0·75 | 0·84 | |
| Coefficient of regression of scores on contraceptive met need | 0·05; p=0·209 | 0·26; p<0·0001 | −0·06; p=0·444 | 0·20; p=0·013 | |
| Correlation coefficient for scores with contraceptive met need | 0·165 | 0·583 | −0·042 | 0·2177 | |
| Loadings on principal components | |||||
| Proportions of survey respondents | |||||
| Men | |||||
| Had first sexual intercourse by age 15 years | 0·2744 | 0·1260 | −0·3767 | 0·1792 | |
| Had first sexual intercourse by age 17 years | 0·3190 | 0·1453 | −0·3059 | 0·1417 | |
| Had first union by age 18 years | 0·2209 | −0·1360 | 0·0549 | 0·4509 | |
| Had first union by age 23 years | 0·1910 | −0·1360 | 0·2631 | 0·5115 | |
| Had >1 partner in the past year | 0·3299 | 0·0076 | −0·2963 | −0·0902 | |
| Had sex in the past year | 0·3273 | 0·1574 | 0·0266 | 0·1212 | |
| Had sex in the past 4 weeks | 0·2573 | 0·1393 | 0·3402 | 0·1611 | |
| Women | |||||
| Had first sexual intercourse by age 15 years | 0·3083 | −0·2239 | −0·0525 | −0·1687 | |
| Had first sexual intercourse by age 17 years | 0·3399 | −0·1521 | −0·1011 | −0·2121 | |
| Had first union by age 18 years | 0·1289 | −0·3883 | 0·0596 | −0·0090 | |
| Had first union by age 23 years | 0·0915 | −0·3401 | 0·1528 | 0·1505 | |
| Had >1 partner in the past year | 0·2544 | 0·2150 | −0·0317 | −0·2613 | |
| Had sex in the past year | 0·3277 | −0·0163 | 0·1211 | −0·3271 | |
| Had sex in the past 4 weeks | 0·1871 | 0·0459 | 0·5724 | −0·1406 | |
| Social-structural variables | |||||
| Expected years of education (female) | −0·0057 | 0·4039 | 0·1281 | 0·0920 | |
| Expected years of education (male) | 0·0224 | 0·3683 | 0·1292 | 0·0519 | |
| Gender development index | −0·0274 | 0·3258 | −0·1503 | 0·2844 | |
| GDP per capita | 0·1081 | 0·2976 | 0·2216 | −0·2254 | |
Table shows the proportion of the variance explained by each component, the associations between the component scores and the proportion of women who do not want to conceive who are currently using a modern method, and the loadings on the principal components of each variable. GDP=gross domestic product.