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Table 3 Association between social class and risk of gaining more than 2.5 kg over the follow up period of 6,423 men and 8,196 women in the EPIC-Norfolk cohort

From: Socioeconomic position and risk of short-term weight gain: Prospective study of 14,619 middle-aged men and women

Social Class

Weight stable gain ≤ 2.5 kg N (%)

Weight gain >2.5 kg N (%)

Unadjusted odds ratio (95% CI)

Adjusted odds ratio* (95% CI)

I

760 (8)

340 (7)

1

1

II

3760 (39)

1947 (38)

1.16 (1.01 1.33)

1.13 (0.98 1.30)

IIIa

1590 (17)

847 (17)

1.19 (1.02 1.39)

1.21 (1.04 1.41)

IIIb

2014 (21)

1102 (22)

1.22 (1.06 1.42)

1.16 (1.00 1.34)

IV and V

1431 (15)

828 (16)

1.29 (1.11 1.51)

1.25 (1.07 1.46)

P for trend

  

0.002

<0.001

  1. * Adjusted for sex, age, baseline BMI, smoking and follow up time