Table 4.
Factors associated with seroprevalence of anti-poliovirus type 3 antibodies by univariable, multivariable and multilevel multivariable logistic regression analysis among orally immunised Indian infants (N = 8454 for Unadjusted values except No. of OPV doses; N = 8449 for adjusted values since OPV status not available for 5 children).
| Characteristic | Standard univariable |
Standard multivariable |
Multilevel multivariable |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HSC |
PHC |
Block |
||||||||
| Odds Ratio (95% CI) | p value | Odds Ratio (95% CI) | p value | Odds Ratio (95% CI) | p value | Odds Ratio (95% CI) | p value | Odds Ratio (95% CI) | p value | |
| Sex Male |
1.24 (1.08–1.41) | 0.002 | 1.27 (1.11–1.46) | 0.001 | 1.27 (1.11–1.46) | 0.001 | 1.27 (1.11–1.46) | 0.001 | 1.27 (1.11–1.45) | 0.001 |
| Age in months | 1.37 (1.31–1.43) | <0.001 | 1.17 (1.12–1.23) | <0.001 | 1.17 (1.12–1.23) | <0.001 | 1.17 (1.12–1.23) | <0.001 | 1.17 (1.12–1.23) | <0.001 |
| No. of tOPV doses | 1.94 (1.80–2.09) | <0.001 | 1.74 (1.61–1.89) | <0.001 | 1.74 (1.60–1.89) | <0.001 | 1.73 (1.59–1.88) | <0.001 | 1.72 (1.58–1.87) | <0.001 |
| Area Urban | 1.16 (0.99–1.36) | 0.059 | 1.24 (1.05 –1.45) | 0.010 | 1.24 (1.05– 1.46) | 0.012 | 1.25 (1.05– 1.49) | 0.013 | 1.18 (0.98–1.41) | 0.087 |
| Constant | 0.0969128 | 0.0970927 | 0.0971074 | 0.1109489 | ||||||
| −2Log Likelihood | −2853.48 | −2853.45 | −2851.90 | −2847.82 | ||||||
| Chibar2(01) | 0.06 | 3.16 | 11.33 | |||||||
| Prob of Chibar2 > 0 | 0.4012 | 0.0376 | 0.0004 | |||||||
CI – Confidence Interval HSC – Health Sub-centre PHC – Primary Health Centre.