Table 3.

Adjusted RRs of Diabetes Across Quintiles of TFMI Within Various BMI Categories

TFMI quintile and mean TFMI by sex	Men				Women
	RR	95% CI	P	Linear trend	RR	95% CI	P	Linear trend
Normal BMI: mean, 22.629 (M), 22.129 (W)
TFMI quintile 1; 1.50 (M), 2.09 (W)	1	—	—	<.001	1	—	—	<.001
TFMI quintile 2; 2.31 (M), 2.91 (W)	1.32	1.02-1.72	.04		1.35	0.92-1.98	.13
TFMI quintile 3; 2.93 (M), 3.48 (W)	1.51	1.13-2.01	.005		1.70	1.14-2.54	.009
TFMI quintile 4; 3.53 (M), 4.05 (W)	2.18	1.59-2.98	<.001		2.34	1.54-3.56	<.001
TFMI quintile 5; 4.39 (M), 4.93 (W)	3.06	2.17-4.34	<.001		3.35	2.08-5.39	<.001
Overweight BMI: mean, 26.738 (M), 26.514 (W)
TFMI quintile 1; 2.93 (M), 3.94 (W)	1	—	—	<.001	1	—	—	<.001
TFMI quintile 2; 3.91 (M), 4.81 (W)	1.15	0.98-1.34	.09		1.04	0.84-1.28	.73
TFMI quintile 3; 4.60 (M), 5.40 (W)	1.19	0.98-1.45	.08		1.20	0.96-1.50	.11
TFMI quintile 4; 5.24 (M), 6.00 (W)	1.56	1.26-1.94	<.001		1.60	1.27-2.01	<.001
TFMI quintile 5; 6.22 (M), 6.98 (W)	1.92	1.50-2.47	<.001		2.25	1.73-2.91	<.001
Obese BMI: mean, 33.149 (M), 34.055 (W)
TFMI quintile 1; 4.63 (M), 6.28 (W)	1	—	—	<.001	1	—	—	<.001
TFMI quintile 2; 6.09 (M), 7.37 (W)	1.29	1.04-1.60	.02		1.24	0.97-1.58	.08
TFMI quintile 3; 6.95 (M), 8.13 (W)	1.49	1.16-1.91	.002		1.82	1.45-2.29	<.001
TFMI quintile 4; 7.85 (M), 9.07 (W)	1.79	1.38-2.32	<.001		1.89	1.47-2.44	<.001
TFMI quintile 5; 9.95 (M), 11.32 (W)	2.47	1.83-3.35	<.001		2.79	2.04-3.83	<.001

Covariates: age, ethnicity (UK White, UK mixed, Asian or Asian British, Black or Black British, UK Chinese, UK other ethnic groups, US Mexican American, US other Hispanic, US non-Hispanic White, US non-Hispanic Black, and US other race—including multiracial, and Korean), and smoking status.

BMI, body mass index; M, male; RR, relative risk; TFMI, trunk fat mass index; W, women.