Can early weight loss, eating behaviors and socioeconomic factors predict successful weight loss at 12- and 24-months in adolescents with obesity and insulin resistance participating in a randomised controlled trial?

Table 1 Baseline characteristics of study cohort, n = 111

Age and sex
Age, years, median [range]		13.2 [10.1–17.4]
Girls		66 (60)
Pubertal status (n = 110)
Tanner stage	1	14 (13)
	2	20 (18)
	3	24 (22)
	4	31 (28)
	5	21 (19)
Anthropometry
BMI z score, mean ± SD		2.36 ± 0.29
BMI95, mean ± SD		132.3 ± 21.1
Obese		107 (96)
Eating behaviors^a (n = 109)
External eating score, GMM [95%CI]		1.7 [1.6–1.9]
Emotional eating score, median [range]		1.5 [1.0–3.0]
Dietary restraint score, mean ± SD		2.6 ± 0.6
Parental pressure to eat score, mean ± SD		2.0 ± 0.8
Leisure time activities
Physical activity (n = 109), mins/day, GMM [95%CI]		82 [71–93]
Screen time, mins/day (n = 108), GMM [95%CI]		223 [198–248]
Socioeconomic factors
Parents in household (n = 100)
Single-parent household		27 (27)
Two-parent household		73 (73)
Mother’s education (n = 100)
Below year 12		37 (37)
Completed year 12		14 (14)
Completed technical school or tertiary study		49 (49)
Father’s education (n = 88)
Below year 12		37 (42)
Completed year 12		11 (13)
Completed technical school or tertiary study		40 (45)
Family income (n = 97)
< AU$31,200/year		29 (30)
AU$31,200–$67, 599/year		38 (39)
AU$67,600–103,999/year		17 (18)
≥ AU$104,000		13 (13)

Unless otherwise stated, n = 111, expressed as n (%)
Abbreviations: AU Australian Dollar, BMI body mass index, BMI95 BMI expressed as a percentage of the 95^thpercentile, CI confidence interval, GMM generalised marginal mean, SD standard deviation
^aScores for each subscale range from 1 to 4; higher scores indicate greater external eating, emotional eating, dietary restraint or parental pressure to eat

ISSN: 1479-5868