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Table 2 Frequency and multivariable odds ratios (OR) with 95% confidence intervals (CI) for correlates of self-test use in general for women and men

From: Use of diagnostic self-tests on body materials among Internet users in the Netherlands: prevalence and correlates of use

  Womena Menb
Characteristics Total
N
Self-tester
%
Adjusted OR
(95% CI)
Total
N
Self-tester
%
Adjusted OR
(95% CI)
Age (years)       
- ≤ 27 1901 14.3 Reference 736 9.1 Reference
- 28 – 41 1881 18.4 1.12 (0.93–1.35) 822 11.8 1.04 (0.74–1.48)
- ≥ 42 1333 21.2 1.20 (0.97–1.49) 1246 16.1 1.22 (0.86–1.73)
Educational level       
- low 940 15.4 Reference 421 12.6 Reference
- intermediate 2124 18.5 1.43 (1.15–1.78)** 979 12.5 1.07 (0.75–1.54)
- high 2051 17.6 1.38 (1.09–1.73)** 1404 13.5 1.19 (0.84–1.68)
BMI (weight/height2)       
-< 25 3109 15.3 Reference 1411 10.4 Reference
- 25–29.9 1257 20.0 1.28 (1.07–1.54)** 1031 13.3 1.12 (0.86–1.47)
- ≥ 30 721 23.2 1.51 (1.21–1.88)*** 359 22.0 1.77 (1.26–2.49)**
Smoking       
- no 1382 17.2 Reference 2120 12.8 Reference
- yes 3732 18.5 1.09 (0.92–1.29) 684 13.5 1.02 (0.78–1.34)
Physical activity (30 minutes/day)       
- 0 to 4 days a week 2422 16.9 Reference 1462 14.5 Reference
- 5 to 7 days a week 2693 18.2 1.13 (0.97–1.31) 1342 11.3 0.78 (0.62–0.99)*
Vegetables (200 grams a day)       
- 0 to 4 days a week 2249 16.2 Reference 1244 12.6 Reference
- 5 to 7 days a week 2866 18.7 1.03 (0.88–1.21) 1560 13.3 1.02 (0.80–1.32)
Fruits (2 pieces a day)       
- 0 to 4 days a week 3000 16.3 Reference 1838 11.6 Reference
- 5 to 7 days a week 2115 19.4 1.14 (0.97–1.34) 966 15.5 1.13 (0.88–1.46)
Fat intake (in terms of type/amount)       
- 0 to 4 days a week 1930 14.5 Reference 1381 10.6 Reference
- 5 to 7 days a week 3185 19.5 1.22 (1.03–1.44)* 1423 15.3 1.32 (1.03–1.69)*
Alcohol (glasses/week)       
- none 2327 17.4 Reference 629 14.5 Reference
- 1 to 14; 1 to 21c 2529 17.2 1.05 (0.89–1.23) 1935 12.7 0.93 (0.70–1.22)
-> 14; > 21c 259 22.4 1.37 (0.99–1.91) 240 11.3 0.78 (0.48–1.27)
Dietary supplements       
- no 2101 13.3 Reference 1554 9.5 Reference
- yes 3014 20.6 1.41 (1.19–1.67)*** 1250 17.4 1.75 (1.38-–2.22)***
Homeopathic medicine       
- no 3717 15.2 Reference 2369 11.3 Reference
- yes 1398 23.8 1.48 (1.25–1.74)*** 435 22.3 1.75 (1.33–2.31)***
Blood donor       
- no 4083 16.7 Reference 2101 12.1 Reference
- yes 1032 21.2 1.23 (1.03–1.47)* 703 15.6 1.16 (0.90–1.51)
Chronic illness or disability       
- no 3734 15.4 Reference 2121 11.0 Reference
- yes 1381 23.5 1.34 (1.12–1.60)** 683 19.2 1.33 (1.02–1.75)*
Perceived health       
- good 3739 15.8 Reference 2073 10.6 Reference
- moderate/poor 1376 22.5 1.25 (1.04–1.49)* 731 19.7 1.53 (1.17–2.00)**
  1. a Women: N total = 5115, self-testers = 899, non-testers = 4216
  2. b Men: N total = 2804, self-testers n = 364, non-testers n = 2440
  3. c 14 glasses a week for women, 21 glasses a week for men
  4. * p < .05
  5. ** p < .01
  6. *** p < .001