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Table 2 Comparison of health service utilization of women interested and not interested in participating in a randomized PHT preventive trial in Estonia, proportion (%) of women, and age-adjusted odds-ratios (OR).1)

From: Who wants to join preventive trials? – Experience from the Estonian Postmenopausal Hormone Therapy Trial [ISRCTN35338757]

 

Interested

Non-interested

OR (95% CI)1)

 

(n = 225)

(n = 553)

 
 

%

%

 

Physician visit in past year

76

68

1.53 (1.06–2.20)

Gynaecologist visit in past year

53

39

1.40 (1.01–1.94)

Used calcium drugs in last 2 weeks

32

23

1.49 (1.04–2.13)

Used PHT at some time 2)

26

11

2.62 (1.58–4.35)

Used PHT at some time 3)

16

8

2.05 (1.26–3.35)

  1. 1) Reference group: non-interested
  2. 2) Excluding missing values, interested n = 90 (40%), non-interested n = 143 (26%), see Methods
  3. 3) Including missing values in the denominator
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BMC Medical Research Methodology

ISSN: 1471-2288

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