Table 3.

Subgroup analyses of women minus men difference in age-adjusted differences (95% CIs) in waist circumference and BMI associated with type I diabetes

	Type I diabetes
Age at baseline (years)	<55	≥55
Waist circumference (cm)	2.56 (0.24 to 4.88)	1.10 (−1.14 to 3.34)
BMI (kg/m2)	0.91 (−0.05 to 1.87)	0.40 (−0.48 to 1.29)
Socioeconomic status	Higher SES	Lower SES
Waist circumference (cm)	0.47 (−1.81 to 2.75)	0.95 (−1.31 to 3.20)
BMI (kg/m2)	0.35 (−0.55 to 1.25)	0.11 (−0.82 to 1.04)
Time since diagnosis (years)	<30	≥30
Waist circumference (cm)	1.74 (−1.39 to 4.87)	0.60 (−1.24 to 2.44)
BMI (kg/m2)	0.78 (−0.47 to 2.04)	0.09 (−0.65 to 0.83)
Age at diagnosis (years)	<18	≥18
Waist circumference (cm)	0.98 (−1.38 to 3.33)	0.84 (−1.30 to 2.99)
BMI (kg/m2)	0.21 (0.73 to 1.16)	0.31 (−0.55 to 1.18)
Ethnic background	White	Mixed or non-white
Waist circumference (cm)	0.92 (−0.73 to 2.58)	0.77 (−6.02 to 7.55)
BMI (kg/m2)	0.27 (−0.39 to 0.94)	0.89 (−2.01 to 3.79)

Type I diabetes was defined as an age at diagnosis <30 years, and using insulin.

BMI, body mass index.