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Table 3 OR of response (inclusion of the specific theme in the motivational sentence vs. not) by age group. OR (logistic regression)

From: Can targeted cover letters improve participation in health surveys? Results from a randomized controlled trial

 

16–24 years

95% CI

 

25–44 years

95% CI

 

45–64 years

95% CI

 

≥65 years

95% CI

 

All

95% CI

 

Stress

0.97

(0.84–1.13)

p = 0.707

0.97

(0.88–1.08)

p = 0.617

1.03

(0.94–1.14)

P = 0.503

1.21

(1.07–1.36)

P = 0.002

1.04

(0.99–1.10)

P = 0.148

Alcohol

1.12

(0.96–1.29)

p = 0.147

1.07

(0.97–1.19)

p = 0.181

1.06

(0.96–1.17)

P = 0.228

0.96

(0.85–1.08)

P = 0.448

1.05

(0.99–1.11)

P = 0.100

Sex

0.98

(0.89–1.14)

p = 0.826

1.01

(0.91–1.12)

p = 0.827

0.90

(0.82–1.00)

P = 0.046

0.86

(0.77–0.97)

P = 0.015

0.94

(0.89–0.99)

P = 0.022

Sleep problems

0.93

(0.80–1.08)

p = 0.331

0.97

(0.87–1.07)

p = 0.521

0.99

(0.90–1.10)

P = 0.913

0.98

(0.87–1.10)

P = 0.695

0.98

(0.92–1.03)

P = 0.364

Contact with family and friends

1.01

(0.87–1.17)

p = 0.908

0.98

(0.88–1.08)

p = 0.677

1.01

(0.92–1.12)

P = 0.816

1.03

(0.91–1.16)

P = 0.646

1.00

(0.95–1.06)

P= 0.910