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Table 3 Regression coefficients of linear regression model to explain BMI according to age, birth cohort, socio-economic status, and smoking status, separately for men and women, with an interaction of SES with age and an interaction of SES with cohort

From: Gender and socioeconomic disparities in BMI trajectories in the Seychelles: a cohort analysis based on serial population-based surveys

 

Men

(n = 716, adj. R2 = 0.14)

Women

(N = 1140; adj. R2 = 0.11)

 

Coefficient

P

Coefficient

P

Intercept*

23.91

 

28.00

 

Current smoking

-1.46

P < 0.001

-2.17

P = 0.001

High SES (vs. low)

1.58

P = 0.003

-1.79

P = 0.011

Age (10 years)

0.55

P = 0.073

2.55

P < 0.001

Age^2 (10 years)

-0.18

P = 0.145

-0.69

P < 0.001

Cohort (10 years)

0.52

P = 0.050

1.82

P < 0.001

Age * high SES

1.61

P = 0.004

0.08

P = 0.908

Cohort * high SES

0.53

P = 0.294

-0.43

P = 0.514

  1. *The intercept refers to a non-smoking person aged 45 born in 1944 and with a low SES. Persons of intermediate SES are omitted from these analyses