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Table 2 Participation rate, stratified by age group, gender, purchase of respiratory medicine, education level, income and occupational status

From: The effect on participation rates of including focused spirometry information in a health check invitation: a cluster-randomised trial in Denmark

 

Total

Intervention

Control

Participation

eligible

participants

participants

rate differencea

(N)

N (%)

N (%)

(95% CI)

Total

4407

1172 (53.4)

1151 (52%)

1.4 (−1.9; 4.7)

Age groups (years)

 30–34

912

221 (48.6)

212 (46.6%)

2.2 (−4.8; 9.2)

 35–39

1103

306 (54.4)

273 (50.6%)

3.8 (−2.5;10.1)

 40–44

1215

307 (51.8)

322 (51.8%)

0.0 (−6.0; 6.0)

 45–50

1177

338 (58.0)

344 (57.9)

0.1 (−5.9; 6.1)

Gender

 Female

2167

590 (55.0)

585 (53.5)

1.5 (−2.7; 5.7)

 Male

2240

582 (51.9)

566 (50.6)

1.3 (−2.8; 5.5)

Medicineb

 No

4015

1082 (54.1)

1058 (52.5)

1.5 (−1.9; 5.0)

 Yes

392

90 (46.6)

93 (46.7)

−0.1 (− 10.1; 9.9)

Education (years)

 0–10 (low)

745

155 (41.3)

139 (37.6)

3.8 (−3.5; 11.0)

 10–15 (medium)

2209

574 (52.7)

607 (54.2)

−1.5 (−5.9; 3.0)

 16+ (high)

1355

421 (62.5)

387 (56.8)

5.6 (0.0; 11.3)

Income (tertiles)

 Low (0–207)

1429

299 (42.2)

307 (42.6)

−0.5 (−6.1; 5.2)

 Middle (208–273)

1446

406 (55.9)

363 (50.4)

5.5 (−0.3; 11.3)

 High (274-?)

1532

467 (61.5)

481 (62.2)

−0.7 (−6.3; 4.9)

Occupation

 Employed

3428

971 (56.5)

946 (55.4)

1.1 (−2.6; 4.8)

 Self-employed

175

51 (60.0)

50 (55.6)

4.4 (−10.3; 19.1)

 Unemployed/benefits

122

21 (38.2)

27 (40.3)

−2.1 (−19.9; 15.6)

 Social welfare recipient

615

118 (39.1)

113 (36.1)

3.0 (−4.9; 10.9)

 Othersc

67

11 (33.3)

15 (44.1)

−10.8 (−35.1; 13.5)

  1. aAdjusted for cluster size
  2. bPurchase of respiratory medicine in the last 2 years
  3. cOthers include a non-working person from a family relying on one income only