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Table 1 Characteristics of people with and without purchasing CHM

From: The prevalence, characteristics, and factors associated with purchasing Chinese herbal medicine among adults in Taiwan

  Purchase of CHM  
No (N = 15,889) Yes (N = 867)   Multivariate adjusted  
n (%) n (%) p-value OR (95% CI)c Scored
Age, years
 20–29 3561 (97.8) 81 (2.2) <0.0001 1.00 (reference) 0
 30–39 3331 (95.8) 145 (4.2)   1.87 (1.42–2.48) 2
 40–49 3469 (93.8) 230 (6.2)   2.71 (2.06–3.55) 4
 50–59 2394 (93.0) 179 (7.0)   2.82 (2.10–3.77) 4
 60–69 1566 (93.0) 118 (7.0)   2.80 (2.02–3.88) 4
  ≥ 70 1568 (93.2) 114 (6.8)   2.84 (2.03–3.99) 4
Gender
 Male 8166 (95.5) 382 (4.5) <0.0001 1.00 (reference) 0
 Female 7723 (94.1) 485 (5.9)   1.28 (1.11–1.48) 1
Occupation
 White collar 5821 (92.5) 276 (7.5) 0.02 - - -
 Blue collar 5828 (93.9) 336 (6.1)   - - -
Others 4284 (93.4) 255 (6.6)   - - -
 Education, years
 0 1158 (92.8) 90 (7.2) <0.0001 1.25 (0.90–1.73) 1
 1–9 5350 (93.0) 404 (7.0)   1.46 (1.18–1.80) 1
 10–12 4555 (95.9) 194 (4.1)   1.03 (0.83–1.27) 1
  ≥ 13 4826 (96.4) 179 (3.6)   1.00 (reference) 0
Family income, NTDs
  < 30,000 4106 (93.5) 287 (6.5) <0.0001 - - -
 30,000–200,000 11,360 (95.3) 556 (4.7)   - - -
  > 200,000 423 (94.6) 24 (5.4)   - - -
Marital status
 Married 10,115 (94.2) 626 (5.8) <0.0001 - - -
 Unmarried 3965 (97.5) 101 (2.5)   - - -
 Others 1809 (92.8) 140 (7.2)   - - -
Ethnicity
 Non-indigenous 15,532 (93.2) 857 (6.8) 0.012 2.61 (1.29–5.30) 4
 Indigenous 401 (96.1) 10 (3.9)   1.00 (reference) 0
Density of physiciansa
 Low 5657 (94.3) 342 (5.7) 0.0002 1.16 (0.97–1.37) 1
 Moderate 5351 (95.3) 365 (4.7)   1.38 (1.16–1.65) 1
 High 4881 (94.9) 260 (5.1)   1.00 (reference) 0
Unhealthy lifestylesb
 None 7824 (93.5) 442 (5.4) 0.4785 - - -
 One 3575 (93.0) 181 (4.8)   - - -
 Two or three 4490 (93.0) 244 (5.2)   - - -
Medical care in past 6 months
 Without illness 4974 (97.0) 156 (3.0) <0.0001 1.00 (reference) 0
 Illness with medical care 7409 (94.2) 453 (5.8)   1.83 (1.52–2.21) 2
 Illness without medical care 3506 (93.2) 258 (6.8)   2.69 (2.19–3.31) 4
  1. CHM Chinese herbal medicine, TCM traditional Chinese medicine
  2. aPhysicians/km2. bIncluding alcohol drinking, smoking and betel nut chewing. cAdjusted for all covariates in this table. dPredicted scores: 1.0 ≤ OR <1.5 predicted score = 1, 1.5 ≤ OR <2.0 predicted score = 2, 2.0 ≤ OR <2.5 predicted score = 3, 2.5 ≤ OR <3.0 predicted score = 4, 3.0 ≤ OR <3.5 predicted score = 5, 3.5 ≤ OR < 4.0 predicted score = 6