Husband | Wife | Number of Couples N (%) | Use of folic acid N (%) | Crude odds ratio (95% CI) | Adjusted odds ratio (95% CI) |
---|---|---|---|---|---|
Age (years) | |||||
21–29 | 21–29 | 525,524 (58.24) | 399,650 (76.05) | 1.00 | 1.00 |
30–39 | 19,367 (2.15) | 14,609 (75.43) | 0.97 (0.94,1.00) | 0.97 (0.94,1.01) | |
40–49 | 119 (0.01) | 86 (72.27) | 0.82 (0.55,1.23) | 1.12 (0.73,1.72) | |
30–39 | 21–29 | 158,785 (17.6) | 119,595 (75.32) | 0.96 (0.95,0.97) | 0.98 (0.96,0.99) |
30–39 | 164,472 (18.23) | 124,219 (75.53) | 0.97 (0.96,0.99) | 1.01 (0.98,1.03) | |
40–49 | 2775 (0.31) | 1999 (72.04) | 0.81 (0.75,0.88) | 0.98 (0.88,1.08) | |
40–49 | 21–29 | 3654 (0.4) | 2605 (71.29) | 0.78 (0.73,0.84) | 0.84 (0.78,0.90) |
30–39 | 18,367 (2.04) | 13,270 (72.25) | 0.82 (0.79,0.85) | 0.93 (0.89,0.97) | |
40–49 | 9207 (1.02) | 6282 (68.23) | 0.68 (0.65,0.71) | 0.81 (0.74,0.88) | |
Years of education | |||||
≤6 | ≤6 | 17,870 (2) | 13,887 (77.71) | 1.00 | 1.00 |
7–11 | 12,487 (1.4) | 9417 (75.41) | 0.88 (0.83,0.93) | 0.91 (0.87,0.95) | |
≥12 | 2712 (0.3) | 2075 (76.51) | 0.93 (0.85,1.03) | 0.89 (0.81,0.97) | |
7–11 | ≤6 | 17,110 (1.92) | 12,815 (74.90) | 0.86 (0.82,0.90) | 0.86 (0.82,0.91) |
7–11 | 490,464 (55.02) | 358,793 (73.15) | 0.78 (0.75,0.81) | 0.78 (0.77,0.80) | |
≥12 | 49,556 (5.56) | 39,394 (79.49) | 1.11 (1.07,1.16) | 1.02 (1.00,1.05) | |
≥12 | ≤6 | 3412 (0.38) | 2572 (75.38) | 0.88 (0.81,0.96) | 0.88 (0.81,0.96) |
7–11 | 71,175 (7.98) | 55,192 (77.54) | 0.99 (0.95,1.03) | – | |
≥12 | 226,641 (25.42) | 181,224 (79.96) | 1.14 (1.10,1.19) | – | |
Occupation | |||||
farmer | farmer | 640,413 (72.42) | 478,538 (74.72) | 1.00 | 1.00 |
worker | 5633 (0.64) | 4125 (73.23) | 0.93 (0.87,0.98) | 0.71 (0.65,0.77) | |
others | 9857 (1.11) | 7787 (79.00) | 1.27 (1.21,1.34) | 0.97 (0.92,1.02) | |
worker | farmer | 18,104 (2.05) | 14,063 (77.68) | 1.18 (1.14,1.22) | 1.08 (1.05,1.12) |
worker | 72,930 (8.25) | 54,896 (75.27) | 1.03 (1.01,1.05) | 0.78 (0.73,0.82) | |
others | 19,468 (2.2) | 15,575 (80.00) | 1.35 (1.31,1.40) | 0.98 (0.94,1.02) | |
others | farmer | 14,873 (1.68) | 12,044 (80.98) | 1.44 (1.38,1.50) | 1.29 (1.24,1.35) |
worker | 7783 (0.88) | 6334 (81.38) | 1.48 (1.40,1.57) | – | |
others | 95,220 (10.77) | 76,661 (80.51) | 1.40 (1.37,1.42) | – |