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Table 3 The association between MTNR1B gene rs1387153 locus and type 2 diabetes among steelworkers

From: Association of rotating night shift work, CLOCK, MTNR1A, MTNR1B genes polymorphisms and their interactions with type 2 diabetes among steelworkers: a case–control study

Gene

Gene Model

Genotype

Control group, n (%)

Case group, n(%)

Model 1

Model 2

OR (95% CI)

OR (95% CI)

MTNR1B gene rs1387153 locus

Codominant

C/C

157 (34.8)

72 (28.7)

1.00 (ref)

1.00 (ref)

C/T

230 (51.0)

118 (47.0)

1.12 (0.78–1.60)

1.18 (0.81–1.71)

T/T

64 (14.2)

61 (24.3)

2.08 (1.33–3.25)

1.96 (1.22–3.14)

Dominant

C/C

157 (34.8)

72 (28.7)

1.00 (ref)

1.00 (ref)

C/T-T/T

294 (65.2)

179 (71.3)

1.33 (0.95–1.86)

1.36 (0.96–1.93)

Recessive

C/C–C/T

387 (85.8)

190 (75.7)

1.00 (ref)

1.00 (ref)

T/T

64 (14.2)

61 (24.3)

1.94 (1.31–2.87)

1.78 (1.18–2.68)

Overdominant

C/C-T/T

221 (49.0)

133 (53.0)

1.00 (ref)

1.00 (ref)

C/T

230 (51.0)

118 (47.0)

0.85 (0.63–1.16)

0.92 (0.66–1.27)

Log-additive

–-

–-

–-

1.40 (1.12–1.75)

1.37 (1.09–1.73)

  1. Model 1: univariate analysis. Model 2: adjusted for age, sex, smoking status, drinking status, physical activity, DASH score, dyslipidaemia, hypertension, liver dysfunction, renal dysfunction and exposure to occupational hazards (high temperature, noise, dust and carbon monoxide (CO)) in each exposure metric. DASH, dietary approaches to stop hypertension. Value in bold: it indicates that it is statistically significant