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Table 1 Demographic and Health Characteristics by Incentive Condition

From: A comparison of small monetary incentives to convert survey non-respondents: a randomized control trial

Characteristics $2 incentive %(n) $5 incentive %(n) p-value
Age*    
< 50 34.29 (228) 30.32 (201) 0.1924
50-75 33.53 (223) 33.18 (220) 0.8867
> 75 32.18 (214) 36.50 (242) 0.1898
Race*    
Caucasian 68.57 (456) 68.78 (456) 1.000
African American 15.79 (105) 17.65 (117) 0.4206
Other 15.64 (104) 13.57 (90) 0.3148
Sex*    
Female 18.95 (126) 13.88 (92) 0.0213
Male 81.05 (539) 86.12 (571) 0.3368
Education**    
Grade 11 or less 15.96 (64) 21.32 (87) 0.0612
High school grad 30.42 (122) 33.58 (137) 0.8687
Some college/tech deg 33.92 (136) 27.21 (111) 0.1117
College grad 14.21 (57) 13.24 (54) 0.7758
Post grad (MS, PhD) 5.49 (22) 4.66 (19) 0.6394
Income***    
Under $20,000 50.76 (201) 50.00 (192) 0.6498
$20,000-40,000 31.31 (124) 31.25 (244) 0.7979
$40,000-$60,000 10.86 (43) 11.98 (46) 0.7505
Over $60,000 7.07 (28) 6.77 (26) 0.7855
Marital Status*    
Married/Living with Someone 54.44 (362) 54.75 (363) 0.9704
Not Married 45.56 (303) 45.25 (300) 0.9028
Charlson comorbidity score*    
0 46.17 (307) 42.23 (280) 0.2651
1 20.30 (135) 22.47 (284) 0.4061
2+ 33.53 (223) 35.29 (234) 0.6069
Mental health diagnoses*    
No mental health diagnosis 46.32 (308) 47.66 (316) 0.7488
Substance abuse only 8.72 (58) 8.75 (58) 1.000
Psychiatric only 28.27 (188) 26.85 (178) 0.6012
Dual diagnosis 16.69 (111) 16.74 (111) 1.000
Rural/Urban Status*    
Urban 94.89 (631) 90.80 (602) 0.4089
Rural 5.11 (34) 9.20 (61) 0.0056
  1. *Data available for full study sample (N for $2 = 665; N for $5 = 663)
  2. **Data only available from ancillary survey respondents(N for $2 = 401; N for $5 = 408)
  3. ***Data only available from ancillary survey respondents (N for $2 = 396; N for $5 = 384)