Table 2

Total energy expenditure, basal metabolic rate, and physical activity level in the non-DM and DM groups

Non-DM (n=15)
Mean (95% CI)
DM (n=52)
Mean (95% CI)
Mean difference
(95% CI)
P value
Total energy expenditure (kcal/kg/day)
 Unadjusted37.8 (34.9 to 40.7)36.4 (34.8 to 37.9)−1.4 (−4.7 to 1.8)0.386
 Model 1 (adjusted for sex and age)37.5 (34.6 to 40.3)36.5 (35.0 to 38.0)−1.0 (−4.2 to 2.3)0.546
 Model 2 (model 1+ fat-free mass)37.2 (34.3 to 40.0)36.6 (35.1 to 38.1)−0.6 (−3.8 to 2.7)0.717
 Model 3 (model 2 + fat mass)37.5 (35.2 to 39.9)36.5 (35.2 to 37.7)−1.1 (−3.8 to 1.6)0.425
 Model 4 (model 3 + METs)37.6 (35.2 to 40.0)36.5 (35.2 to 37.7)−1.1 (−3.9 to 1.6)0.415
Total energy expenditure (kcal/kg IBW/day)
 Unadjusted38.9 (36.2 to 41.6)38.1 (36.7 to 39.5)−0.8 (−3.8 to 2.3)0.606
 Model 1 (adjusted for sex and age)39.0 (36.3 to 41.7)38.1 (36.6 to 39.5)−0.9 (−4.1 to 2.2)0.56
 Model 2 (model 1+ fat-free mass)39.4 (36.7 to 42.0)38.0 (36.6 to 39.4)−1.4 (−4.5 to 1.7)0.717
 Model 3 (model 2 + fat mass)39.4 (36.6 to 42.1)38.0 (36.6 to 39.4)−1.4 (−4.5 to 1.7)0.371
 Model 4 (model 3 + METs)39.3 (36.6 to 42.1)38.0 (36.5 to 39.4)−1.4 (−4.5 to 1.8)0.396
Total energy expenditure (kcal/day)
 Unadjusted2168 (1971 to 2366)2159 (2053 to 2264)−10 (−234 to 214)0.930
 Model 1 (adjusted for sex and age)2181 (2030 to 2333)2155 (2075 to 2234)−27 (−200 to 146)0.758
 Model 2 (model 1+ fat-free mass)2220 (2087 to 2353)2144 (2074 to 2213)−76 (−228 to 76)0.323
 Model 3 (model 2 + fat mass)2221 (2087 to 2355)2143 (2073 to 2214)−77 (−231 to 77)0.319
 Model 4 (model 3 + METs)2222 (2086 to 2358)2143 (2072 to 2214)−79 (−235 to 78)0.319
Basal metabolic rate (kcal/day)
 Unadjusted1194 (1111 to 1276)1260 (1215 to 1304)66 (−28 to 160)0.165
 Model 1 (adjusted for sex and age)1202 (1143 to 1260)1257 (1226 to 1288)55 (−12 to 122)0.104
 Model 2 (model 1+ fat-free mass)1222 (1179 to 1265)1251 (1229 to 1274)29 (−20 to 78)0.245
 Model 3 (model 2 + fat mass)1220 (1178 to 1261)1252 (1230 to 1274)33 (−15 to 80)0.180
Physical activity level
 Unadjusted1.81 (1.72 to 1.90)1.71 (1.66 to 1.76)−0.10 (−0.21 to 0.00)0.059
 Model 1 (adjusted for sex and age)1.81 (1.72 to 1.90)1.71 (1.66 to 1.76)−0.10 (−0.21 to 0.01)0.069
 Model 2 (model 1+ METs)1.81 (1.72 to 1.91)1.71 (1.66 to 1.76)−0.10 (−0.21 to 0.01)0.068
  • DM, diabetes mellitus;METs, metabolic equivalents;IBW, ideal body weight.