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Table 2 Baseline anthropometric measures (numbers and percentages unless otherwise specified) across recruited children and by stratification factors

From: Trial baseline characteristics of a cluster randomised controlled trial of a school-located obesity prevention programme; the Healthy Lifestyles Programme (HeLP) trial

  All children Cohort 1 Cohort 2 Girls Boys One year 5 classa More than one year 5 classa FSM cat 1
(<19%)
FSM Cat2
(≥19%)
Mean (sd) [range] of BMI (kg/m2) (n = 1312)
17.6 (2.9)
[12.5–30.5]
(n = 655)
17.5 (2.9)
[12.8–30.5]
(n = 657)
17.6 (2.8)
[12.5–27.5]
(n = 672)
17.8 (3.0)
[12.5–29.0]
(n = 640)
17.3 (2.6)
[12.8–30.5]
(n = 554)
17.4 (2.8)
[12.8–28.2]
(n = 758)
17.7 (2.9)
[12.5–30.5]
(n = 816)
17.4 (2.7)
[12.5–28.5]
(n = 496)
17.9 (3.1)
[12.8–30.5]
Mean (sd) [range] of BMI sds (n = 1312)
0.25 (1.16)
[−2.88–3.36]
(n = 655)
0.21 (1.16)
[−2.81–3.36]
(n = 657)
0.28 (1.15)
[−2.88–3.18]
(n = 672)
0.26 (1.16)
[−2.88–3.18]
(n = 640)
0.24 (1.16)
[−2.81–3.36]
(n = 554)
0.16 (1.14)
[−2.81–3.08]
(n = 758)
0.31 (1.17)
[−2.88–3.36]
(n = 816)
0.19 (1.12)
[−2.88–3.17]
(n = 496)
0.35 (1.20)
[−2.81–3.36]
Underweighta 1.6 (21) 1.8 (12) 1.4 (9) 1.6 (11) 1.6 (10) 2.0 (11) 1.3 (10) 1.7 (14) 1.4 (7)
Healthy weighta 73.3 (962) 73.7 (483) 72.9 (479) 73.1 (491) 73.6 (471) 75.8 (420) 71.5 (542) 75.1 (613) 70.4 (349)
Overweighta 11.4 (150) 11.5 (75) 11.4 (75) 11.5 (77) 11.4 (73) 9.9 (55) 12.5 (95) 11.2 (91) 11.9 (59)
Obesea 13.6 (179) 13.0 (85) 14.3 (94) 13.8 (93) 13.4 (86) 12.3 (68) 14.6 (111) 12.0 (98) 16.3 (81)
Overweight or Obesea 25.1 (329) 24.4 (160) 25.7 (169) 25.3 (170) 24.8 (159) 22.2 (123) 27.2 (206) 23.2 (189) 28.2 (140)
Mean (sd) [range] of waist circumference (cm) (n = 1309)
61.3 (7.5)
[47.8–99.1]
(n = 655)
61.4 (7.8)
[49.3–99.1]
(n = 654)
61.2 (7.2)
[47.8–93.2]
(n = 672)
61.1 (7.5)
[47.8–91.6]
(n = 637)
61.5 (7.5)
[48.8–99.1]
(n = 552)
60.8 (7.1)
[47.8–89.6]
(n = 757)
61.7 (7.7)
[48.2–99.1]
(n = 816)
60.8 (6.8)
[48.1–99.1]
(n = 493)
62.2 (8.4)
[47.8–97.0]
Mean (sd) [range] of waist circumference sds (n = 1309)
0.64 (1.13)
[−2.53–3.82]
(n = 655)
0.64 (1.13)
[−2.02–3.82]
(n = 654)
0.63 (1.13)
[−2.53–3.77]
(n = 672)
0.69 (1.19)
[−2.53–3.57]
(n = 637)
0.58 (1.07)
[−2.21–3.82]
(n = 552)
0.56 (1.12)
[−2.53–3.48]
(n = 757)
0.69 (1.14)
[−2.30–3.82]
(n = 816)
0.57 (1.06)
[−2.39–3.68]
(n = 493)
0.74 (1.23)
[−2.53–3.82]
Mean (sd) [range] of % body fat (n = 1309)
20.1 (7.1)
[3.0–46.9]
(n = 654)
20.2 (7.1)
[3.0–44.5]
(n = 655)
19.9 (7.1)
[3.0–46.9]
(n = 671)
22.3 (6.9)
[3.0–43.2]
(n = 638)
17.7 (6.4)
[3.0–46.9]
(n = 554)
19.6 (6.8)
[3.0–44.5]
(n = 755)
20.4 (7.2)
[3.0–46.9]
(n = 814)
19.5 (6.9)
[3.0–46.9]
(n = 495)
21.1 (7.2)
[5.4–43.2]
Mean (sd) [range] of % body fat sds (n = 1309)
−0.62 (2.28)
[−40.52–2.87]
(n = 654)
−0.59 (2.53)
[−40.52–2.87]
(n = 655)
−0.64 (2.00)
[−19.20–2.65]
(n = 671)
−0.53 (2.15)
[−19.20–2.87]
(n = 638)
−0.71 (2.40)
[−40.52–2.65]
(n = 554)
−0.71 (2.00)
[−18.81–2.64]
(n = 755)
−0.55 (2.46)
[−40.52–2.87]
(n = 814)
−0.79 (2.51)
[−40.52–2.65]
(n = 495)
−0.34 (1.81)
[−10.62–2.87]
Mean (sd) [range] of % body fat sds after exclusion of outliersb (n = 1281)
−0.42 (1.57)
[−4.91–2.87]
(n = 642)
−0.39 (1.57)
[−4.91–2.87]
(n = 639)
−0.46 (1.57)
[−4.79–2.65]
(n = 656)
−0.33 (1.59)
[−4.91–2.87]
(n = 625)
−0.52 (1.54)
[−4.79–2.65]
(n = 543)
−0.55 (1.56)
[−4.76–2.64]
(n = 738)
−0.33 (1.58)
[−4.91–2.87]
(n = 794)
−0.55 (1.57)
[−4.86–2.65]
(n = 487)
−0.22 (1.56)
[−4.91–2.87]
  1. aCategorisations based on the definitions for population monitoring of weight status in children by Public Health England [46]
  2. bAs defined by Cole, children with measurements greater than five standard deviations from the mean were omitted