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Table 2 Sample size, mean zBMI and percentage overweight or obese for school and neighbourhood-level variables

From: Understanding local ethnic inequalities in childhood BMI through cross-sectional analysis of routinely collected local data

 ReceptionYear 6 Reception Year 6 
 Sample size (proportion of sample) zBMIOverweight/obese (>85th centile)zBMIOverweight/obese (>85th centile)
SCHOOL LEVEL VARIABLES
School IMD Quintile%%School IMD QuintileMean (SD)% (95% CI)Mean (SD)% (95% CI)
 1 (lowest deprivation)82167 (8)1 (lowest deprivation)0.14 (1.04)17 (15,19)0.35 (1.21)29 (27,31)
 2153836 (15)20.28 (1.00)20 (19,21)0.41 (1.17)30 (28,31)
 3266813 (26)30.39 (1.05)25 (24,26)0.51 (1.22)34 (33,35)
 4205000 (19)40.39 (1.09)26 (24,27)0.57 (1.24)37 (35,38)
 5 (highest deprivation)337947 (31)5 (highest deprivation)0.34 (1.16)24 (23,25)0.6 (1.29)39 (37,40)
Ofsted%%OfstedMean (SD)% (95% CI)Mean (SD)% (95% CI)
 Good or above5914,938 (58)Good or above0.31 (1.09)23 (22, 23)0.5 (1.23)34 (34,35)
 Satisfactory or below4210,825 (42)Satisfactory or below0.37 (1.09)25 (24, 25)0.6 (1.25)36 (35, 37)
 Median (IQR)Median (IQR)Number in school (quantiles)Mean (SD)% (95% CI)Mean (SD)% (95% CI)
Number in school396 (226)398 (236)10.39 (1.06)25 (24,26)0.51 (1.22)34.3 (33.1,35.5)
   20.38 (1.06)24 (23,25)0.56 (1.22)35.8 (34.6,36.9)
  30.31 (1.11)23 (22,24)0.51 (1.25)34.7 (33.5,35.9)
  40.27 (1.13)22 (21,23)0.5 (1.27)35 (33.9,36.2)
 Median (IQR)Median (IQR)% BME (quantiles)Mean (SD)% (95% CI)Mean (SD)% (95% CI)
% BME38 (31)36 (30)10.34 (1)22 (21,23)0.48 (1.18)33 (32,34)
   20.37 (1.06)24 (23,25)0.51 (1.21)34 (33,35)
  30.36 (1.07)24 (23,25)0.53 (1.27)36 (34,37)
  40.28 (1.21)23 (22,24)0.56 (1.3)38 (37,39)
 Median (IQR)Median (IQR)% ESL (quantiles)Mean (SD)% (95% CI)Mean (SD)% (95% CI)
% ESL22 (27)21 (27)10.35 (1)23 (22,24)0.47 (1.19)33 (31,34)
   20.38 (1.05)24 (23,25)0.51 (1.21)34 (33,35)
  30.35 (1.09)24 (23,25)0.55 (1.26)36 (33,37)
  40.28 (1.2)23 (23,24)0.55 (1.3)37 (36,37)
 Median (IQR)Median (IQR)% KS2 (quantiles)Mean (SD)% (95% CI)Mean (SD)% (95% CI)
% KS275 (18)75 (19)10.35 (1.11)24 (23,25)0.58 (1.27)37 (36,39)
   20.36 (1.09)24 (23,25)0.53 (1.25)36 (33,37)
  30.33 (1.1)23 (22,24)0.48 (1.22)33 (32,34)
  40.32 (1.06)23 (22,23)0.49 (1.2)33 (32,35)
 Median (IQR)Median (IQR)Takeaways near school (quantiles)Mean (SD)% (95% CI)Mean (SD)% (95% CI)
Takeaways near school2 (4)2 (4)10.34 (1.07)23 (22,23)0.5 (1.23)34 (33,35)
   20.35 (1.1)24 (23,25)0.57 (1.26)37 (35,38)
  30.37 (1.06)24 (23,25)0.53 (1.21)35 (34,36)
  40.29 (1.16)23 (22,25)0.51 (1.28)35 (34,37)
NEIGHBOURHOOD LEVEL VARIABLES
Neighbourhood IMD Quintile%%Neighbourhood IMD QuintileMean (SD)% (95% CI)Mean (SD)% (95% CI)
 1 (lowest deprivation)451 (lowest deprivation)0.04 (1.04)14.3 (12,17)0.28 (1.19)27 (25,29)
 2131420.27 (1.01)20 (19,22)0.41 (1.18)31 (29,32)
 3192030.34 (1.04)23 (22,24)0.49 (1.21)33 (32,34)
 4242440.37 (1.07)24 (23,25)0.54 (1.24)36 (35,37)
 5 (highest deprivation)40365 (highest deprivation)0.37 (1.14)25 (24,26)0.6 (1.28)38 (37,39)
Total28,40725,763Total0.34 (1.09)23 (23,24)0.52 (1.24)35 (34,36)