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Table 1 Characteristics of the sample

From: Cold-related symptoms and performance degradation among Thai poultry industry workers with reference to vulnerable groups: a cross-sectional study

Characteristic

Coding

No. (%)

Sex

Males

197 (46.7)

Females

225 (53.3)

Age (yr)

18–24

100 (23.8)

25–34

136 (32.3)

35–44

121 (28.7)

45–57

64 (15.2)

Education

Primary school

69 (16.6)

Middle school

97 (23.3)

High school

72 (17.3)

Vocational school

72 (17.3)

University

106 (25.5)

Body mass index (kg/m2)a

Normal (≤ 22.9)

192 (45.6)

Overweight (23.0–24.9)

68 (16.2)

Obese (≥ 25.0)

161 (38.2)

Smoking

Never smoked

306 (72.5)

Ex-smoker

18 (4.3)

Regular smoker

98 (23.2)

Alcohol consumption

Does not consume alcohol

206 (49.2)

Occasionally

102 (24.3)

Monthly

63 (15.0)

Weekly

48 (11.5)

Factory section

Cold storage

166 (39.6)

Production room

152 (36.3)

Office

95 (22.7)

Other

6 (1.4)

Job category

Forklift driver

33 (8.2)

Storage worker

95 (23.5)

Manufacturing worker

142 (35.1)

Office staff

134 (33.2)

Employment years

0–1.9

139 (33.2)

2–9.9

138 (32.9)

10 +

142 (33.9)

Working hours/day

0–9.9

197 (47.1)

10+

221 (52.9)

Physical strain at work

Light sitting

141 (33.5)

Other light

98 (23.3)

Medium heavy

111 (26.4)

Heavy

71 (16.9)

All

 

422

  1. a Classified according to World Health Organization [19]
  2. One participant had missing information on age, one for body mass index, one for work strain, three for alcohol consumption, three for factory section, three for employment years, four for working hours and six for educational class, and for 18 participants information on job category was missing or remained indeterminate