Skip to main content

Table 1 Individuals by typical hand-washing frequency and sociodemographic characteristics among participants (n = 2963) providing valid exposure information

From: Associations of hand-washing frequency with incidence of acute respiratory tract infection and influenza-like illness in adults: a population-based study in Sweden

Variable

Grouping

Typical hand-washing frequency (times per day)

 

0-1

2-4

5-9

10-19

≥20

Missing info

Total

Number of individuals (row percentages)

Gender

Male

16 (1%)

230 (21%)

516 (47%)

186 (17%)

121 (11%)

29 (3%)

1098 (100%)

Female

5 (0.3%)

121 (6%)

665 (36%)

582 (31%)

443 (24%)

49 (3%)

1865 (100%)

Age (years)

17-26

2 (2%)

23 (19%)

59 (49%)

18 (15%)

17 (14%)

2 (2%)

121 (100%)

27-46

5 (1%)

79 (11%)

269 (37%)

214 (29%)

135 (19%)

25 (3%)

727 (100%)

47-66

8 (1%)

125 (10%)

467 (38%)

339 (27%)

269 (22%)

27 (2%)

1235 (100%)

≥67

6 (1%)

124 (14%)

386 (44%)

197 (22%)

143 (16%)

24 (3%)

880 (100%)

Occupational status1

A1

8 (1%)

158 (11%)

565 (38%)

400 (27%)

329 (22%)

29 (2%)

1489 (100%)

B1

8 (1%)

152 (13%)

496 (44%)

271 (24%)

172 (15%)

30 (3%)

1129 (100%)

C1

5 (2%)

37 (13%)

108 (37%)

84 (29%)

53 (18%)

5 (2%)

292 (100%)

Missing info

0 (0%)

4 (8%)

12 (23%)

13 (25%)

10 (19%)

14 (26%)

53 (100%)

Education (years)

< 9

2 (1%)

35 (11%)

131 (41%)

91 (28%)

54 (17%)

10 (3%)

323 (100%)

9-13

10 (1%)

116 (12%)

379 (40%)

230 (24%)

203 (21%)

21 (2%)

959 (100%)

>13

9 (1%)

189 (12%)

621 (40%)

418 (27%)

282 (18%)

27 (2%)

1546 (100%)

Missing info

0 (0%)

11 (8%)

50 (37%)

29 (21%)

25 (19%)

20 (15%)

135 (100%)

Vaccination

No

10 (1%)

106 (12%)

354 (40%)

212 (24%)

183 (21%)

22 (2%)

887 (100%)

Yes2

11 (1%)

242 (12%)

820 (40%)

552 (27%)

380 (19%)

43 (2%)

2048 (100%)

Missing info

0 (0%)

3 (11%)

7 (25%)

4 (14%)

1 (4%)

13 (46%)

28 (100%)

Household size (persons)

1

9 (1%)

112 (14%)

331 (42%)

178 (23%)

136 (17%)

22 (3%)

788 (100%)

2

7 (1%)

153 (11%)

528 (39%)

356 (26%)

278 (21%)

26 (2%)

1348 (100%)

≥3

5 (1%)

86 (11%)

318 (39%)

231 (29%)

146 (18%)

23 (3%)

809 (100%)

Missing info

0 (0%)

0 (0%)

4 (22%)

3 (17%)

4 (22%)

7 (39%)

18 (100%)

Overall close contacts

0-4

4 (1%)

97 (19%)

230 (46%)

105 (21%)

54 (11%)

8 (2%)

498 (100%)

5-19

8 (1%)

160 (13%)

516 (43%)

300 (25%)

185 (16%)

21 (2%)

1190 (100%)

≥20

9 (1%)

86 (8%)

394 (35%)

332 (29%)

300 (27%)

8 (1%)

1129 (100%)

Missing info

0 (0%)

8 (5%)

41 (28%)

31 (21%)

25 (17%)

41 (28%)

146 (100%)

Close contacts with children <13 years

0

6 (1%)

161 (14%)

519 (44%)

258 (22%)

205 (18%)

22 (2%)

1171 (100%)

1-4

10 (1%)

136 (12%)

451 (41%)

296 (27%)

187 (17%)

10 (1%)

1090 (100%)

≥5

4 (1%)

37 (7%)

152 (31%)

164 (33%)

135 (27%)

6 (1%)

498 (100%)

Missing info

1 (0.5%)

17 (8%)

59 (29%)

50 (25%)

37 (18%)

40 (20%)

204 (100%)

Healthcare work

No

9 (1%)

181 (12%)

623 (41%)

424 (28%)

259 (17%)

28 (2%)

1524 (100%)

Yes

2 (1%)

7 (3%)

33 (16%)

45 (22%)

116 (57%)

2 (1%)

205 (100%)

Missing info

10 (1%)

163 (13%)

525 (43%)

299 (24%)

189 (15%)

48 (4%)

1234 (100%)

TOTAL

 

21 (1%)

351 (12%)

1181 (40%)

768 (26%)

564 (19%)

78 (3%)

2963 (100%)

  1. 1A = Gainfully employed; B = Retired/long term sick leave; C = Student/Other.
  2. 2For seasonal or pandemic flu after September 2009.