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Table 4 Logistic regression for response by reminder and deprivation (Model 2- interaction)

From: Increasing questionnaire response: evidence from a nested RCT within a longitudinal birth cohort study

Variable

Odds Ratio

Standard Error

p-value

95% CI

Resent telephone (ref)

1.00

-

-

-

Resent questionnaire

5.77

0.833

0.035

1.13-29.55

Resent postcard

5.49

0.891

0.056

0.96-31.52

Deprivation score

1.01

0.021

0.562

0.97-1.05

Resent telephone * deprivation score

 Resent questionnaire * deprivation score

0.96

0.027

0.137

0.91-1.01

 Resent postcard * deprivation score

0.94

0.033

0.051

0.88-1.00

  1. Model x2 (5) = 13.701 p = 0.026 Nagelkerke R2= 0.072 = 7.2% variance explained