Table 1

Baseline characteristics by weight change category

Total sampleGained >2%Stable Gained ≤2 or lost <2%Lost ≥2 to <5%Lost ≥5 to <10%Lost ≥10 to <15%Lost ≥15%P
n5,1456831,2899141,000601412
ILI group50.1 (2,570)12.6 (86)21.2 (273)47.4 (433)74.9 (749)90.9 (546)94.2 (388)<0.0001*
Male40.5 (2,082)35.9 (245)43.0 (554)39.2 (358)38.7 (387)41.4 (249)47.6 (196)0.0311*
Ethnicity0.1106*
 African American15.6 (804)15.7 (107)17.1 (220)17.8 (163)17.2 (172)11.8 (71)7.0 (29)
 American Indian5.0 (258)6.3 (43)6.6 (85)6.0 (55)5.1 (51)3.0 (18)0.2 (1)
 Hispanic13.2 (680)13.9 (95)11.4 (147)14.9 (136)12.2 (122)15.2 (91)9.2 (38)
 White63.2 (3,253)60.3 (412)61.8 (797)58.1 (531)62.7 (627)67.7 (406)81.6 (336)
 Asian/Pacific Islander/other/mixed2.9 (149)3.8 (26)3.1 (40)3.2 (29)2.8 (28)2.3 (14)1.9 (8)
Age58.7 ± 6.857.9 ± 6.958.6 ± 6.958.9 ± 6.758.7 ± 6.859.6 ± 7.058.8 ± 6.70.0009
Height (cm)167.2 ± 9.7166.1 ± 9.7167.9 ± 9.9167.0 ± 9.8167.0 ± 9.5167.1 ± 9.8168.7 ± 9.70.0001
Baseline BMI (kg/m2)36.0 ± 5.936.3 ± 5.835.8 ± 5.935.8 ± 6.035.8 ± 6.135.7 ± 5.936.7 ± 5.60.0028
Baseline weight (kg)100.7 ± 19.3100.1 ± 18.1101.0 ± 19.0100.1 ± 19.5100.2 ± 20.399.8 ± 18.7104.7 ± 19.1<0.0001
  • Data are % (n) or means ± SD.

  • *P value for the Mantel-Haenszel χ2 test for trend.

  • P value for the Kruskal-Wallis test.