Table 1: Sociodemographic information and lifestyle habits stratified by ADRB3 polymorphism.

Trp64Trp Trp64Arg Arg64Arg N 920 394 41 Age Sex Male 719 320 33 Female 201 74 8 BMI (kg/m2) Smoking status No 450 191 15 ≦20 cigarettes 381 172 20 ≧21 cigarettes 89 31 6 Current exercise No 591 217 25 1-2 days/week 261 144 12 3–7 days/week 68 33 4 Working style Having shift work 489 211 25 Not having shift work 431 183 16

All variables did not associate with the ADRB3 polymorphism.