Table 2 Proportion not using any method and unadjusted regression coefficient showing bivariate relationship

 35–39 years (ref)

77.7

–

–

–

 40–44 years

77.7

−0.054

0.471

−0.201 to −0.093

 45–49 years

87.1

0.692

<0.001

0.503 to 0.880

 Low parity (ref)

89.6

–

–

–

 Multiparity

66.8

−1.373

<0.001

−1.666 to −1.080

 Grand multiparity

82.4

−0.506

<0.001

−0.787 to −0.226

 Ever experienced (ref)

87.1

–

–

–

 Never experienced

72.7

−0.927

<0.001

−1.067 to −0.788

 14 years or less (ref)

91.4

–

–

–

 15–19 years

84.5

−0.721

<0.001

−1.047 to −0.396

 20–24 years

73.6

−1.457

<0.001

−1.780 to −1.135

 25 years or older

72.7

−1.736

<0.001

−2.064 to −1.408

 Wants no more children (ref)

71.9

–

–

–

 Want more children

90.4

1.029

<0.001

0.878 to 1.179

 Undecided

64.6

−0.173

0.630

−0.875 to 0.529

 Small (ref)

60.8

–

–

–

 Large

84.5

1.213

<0.001

1.069 to 1.357

 None (ref)

95.5

–

–

–

 Primary

72.9

−1.785

<0.001

−2.004 to −1.566

 Secondary

58.9

−2.514

<0.001

−2.723 to −2.304

 Higher

56.8

−2.748

<0.001

−2.983 to −2.514

 Poorest (ref)

97.3

–

–

–

 Poorer

91.9

−0.876

<0.001

−1.257 to −0.494

 Middle

82.4

−1.809

<0.001

−2.158 to −1.460

 Richer

70.7

−2.490

<0.001

−2.825 to −2.156

 Richest

56.7

−3.066

<0.001

−3.395 to −2.742

 Urban (ref)

67.0

–

–

–

 Rural

87.8

1.246

<0.001

1.110 to 1.381

 Not working (ref)

92.6

–

–

–

 Working

76.6

−1.393

<0.001

−1.632 to −1.153

 None (ref)

93.5

–

–

–

 Low

81.8

−1.258

<0.001

−1.515 to −1.000

 Moderate

71.9

−1.786

<0.001

−2.005 to −1.568

 Northern region (ref)

91.9

–

–

–

 Southern region

60.3

−2.550

<0.001

−2.723 to −2.378