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Table 2 Unadjusted and adjusted response rates based on provider characteristics

From: Comparison of up-front cash cards and checks as incentives for participation in a clinician survey: a study within a trial

Characteristic

N

N (%) responded

Unadjusted p-value*

Adjusted OR (95% CI)**

Adjusted p-value**

Incentive

  

0.046

  

 Cash card

155

65 (41.9%)

 

Ref

 

 Check

148

80 (54.1%)

 

1.61 (1.01, 2.59)

0.047

Sex

  

0.04

  

 Male

133

54 (40.6%)

 

Ref

 

 Female

170

91 (53.5%)

 

1.37 (0.84, 2.25)

0.20

City

  

0.33

  

 Boston

96

53 (55.2%)

 

Ref

 

 New York

87

37 (42.5%)

 

0.62 (0.34, 1.15)

0.13

 Los Angeles

68

30 (44.1%)

 

0.64 (0.33, 1.24)

0.19

 Philadelphia

52

25 (48.1%)

 

0.73 (0.36, 1.46)

0.37

Provider type

  

0.04

  

 Physician

293

137 (46.8)

 

Ref

 

 Advanced practice provider

10

9 (80.0)

 

4.80 (0.94, 24.39)

0.06

Specialty

  

0.65

  

 Internal Medicine

207

96 (46.4)

 

1.24 (0.62, 2.50)

0.54

 Obstetrics & Gynecology

48

27 (56.3)

 

1.67 (0.69, 4.05)

0.26

 Family Medicine

44

20 (45.5)

 

Ref

 

 Other

4

2 (50.0)

 

1.55 (0.19, 12.58)

0.68

  1. *Chi-square tests
  2. **multivariable logistic regression