2008 | p- value | 2011 | p- value | 2014 | p- value | 2018 | p- value | ||
---|---|---|---|---|---|---|---|---|---|
Gender | female | 21.50 | <0.001 | 20.50 | <0.001 | 21.75 | <0.001 | 22.16 | <0.001 |
male | 25.00 | 24.52 | 25.21 | 25.23 | |||||
Residence | urban | 23.76 | <0.001 | 22.66 | <0.001 | 23.52 | 0.167 | 23.95 | 0.022 |
rural | 22.67 | 21.95 | 23.19 | 23.15 | |||||
Marital status | married | 25.86 | <0.001 | 26.06 | <0.001 | 26.10 | <0.001 | 25.97 | <0.001 |
other | 21.13 | 20.16 | 21.55 | 21.98 | |||||
Education | illiterate | 20.91 | <0.001 | 19.94 | <0.001 | 21.22 | <0.001 | 21.27 | <0.001 |
literate | 25.96 | 25.46 | 25.76 | 25.76 |