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. 2012 Feb 6;11:5. doi: 10.1186/1476-072X-11-5

Table 2.

Cumulative incidence of GI-diagnoses for males in the "white-collar" and the "blue-collar" city (the Twin cities) in the age-groups 25-79 years, numbers per 1,000 inhabitants

White-collar twin city (L) Blue-collar twin city (N)
GI diagnoses
Functional diseases
25-44 years 45-64 years 65-79 years 25-44 years 45-64 years 65-79 years

RR (95% CI) RR (95% CI)

GERD
Esophageal reflux
10.8 *** 20.2 *** 29.0 *** 5.6 8.0 9.5

1.95 (1.53-2.47) 2.51 (2.05-3.07) 3.01 (2.27-3-97) 1.0 1.0 1.0

FD
Functional dyspepsia
10.2** 13.1*** 16.0** 7.0 7.3 8.6

1.42 (1.17-1.82) 1.80 (1.44-2.25) 1.84 (1.34-2.52) 1.0 1.0 1.0

IBS-D, Irritable Bowel Syndrome - Diarrhoea 2.0* 2.1* 1.4 1.1 1.0 1.0

1.76 (1.00-3.07) 2.00 (1.12-3.57) 1.35 (0.88-6.88) 1.0 1.0 1.0

IBS-C, Irritable Bowel Syndrome - constipation 3.0* 3.0* 2.0 2.0 2.0 2.0

1.64 (1.05-2.56) 1.56 (1.00-1.46) 1.0 1.00 1.00 nt

FGD-UNS
Functional Bowel Disease unspecified
5.9 10.0 26.0 7.0 10.1 33.0*

1.00 1.00 1.00 1.17 (0.91-1.51) 1.01 (0.90-1.12) 1.24 (1.02-1.50)

PUD, Stomach and Duodenum ulcer 3.5** 11.0*** 30.0*** 1.8 5.7 15.4

2.00 (1.31-3.06) 1.92 (1.49-2.47) 1.95 (1.55-2.47) 1.00 1.00 1.00

Gallstone, gallbladder inflammation and other diseases in the gallbladder area 9.2 18.4 37.0 11.5* 22.2* 48.0*

1.00 1.00 1.00 1.24 (1.02-1.51) 1.21 (1.04-1.41) 1.29 (1.10-1.52)

Alcohol-related liver diseases 0.5 2.4 4.2 1.1 4.6** 2.4

nt 1.00 1.76 (0.96-3.23) nt 1.88 (1.27-2.76) 1.00

***p < 0.0001, **p < 0.001 *p < 0.05 nt = not tested