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. 2016 Mar 11;6(3):e010169. doi: 10.1136/bmjopen-2015-010169

Table 2.

Descriptive breakdown of characteristics of study sample for students

Indicator of student performance
Indicator variable
UCAS Tariff Points
Year 4 average
Variable N (%) Mean SD Mean SD
School type
 Independent 110 (20.88) 342.43 27.29 73.56 2.46
 Grammar 115 (21.82) 342.11 32.95 73.92 2.58
 Comprehensive 163 (30.93) 347.30 18.88 74.25 2.43
 Sixth form 105 (19.92) 346.73 23.25 74.31 2.46
 State (other) 34 (6.45) 335.17 48.30 74.73 1.93
p<0.01 p=0.052
School performance
 High 426 (89.31) 346.82 42.85 74.22 2.52
 Low 51 (10.69) 338.05 22.81 73.96 2.20
p=0.040 p=0.404
Deprivation*
 1 88 (17.81) 335.24 69.89 73.82 2.57
 2 74 (14.98) 339.71 70.45 74.38 1.99
 3 76 (15.38) 345.21 69.83 73.93 2.27
 4 112 (22.670 342.94 70.03 74.17 2.42
 5 144 (29.15) 343.57 70.27 74.24 2.63
p=0.253 p=0.542
POLAR 3†
 1 44 (7.72) 335.35 69.81 73.62 3.00
 2 65 (11.40) 348.52 70.29 73.92 2.07
 3 109 (19.12) 341.37 70.28 74.37 2.64
 4 145 (25.44) 343.10 69.89 74.02 2.41
 5 207 (36.32) 341.09 70.13 74.27 2.34
p=0.260 p=0.351
Sex
 Males 196 (34.39) 339.90 69.90 73.76 2.66
 Females 375 (65.61) 343.18 70.19 74.33 2.30
p=0.227 p=0.012
Ethnicity
 White 448 (78.46) 341.25 31.35 74.41 2.33
 Asian 75 (13.13) 344.66 28.97 72.97 2.52
 Black 5 (0.88) 325.00 30.00 74.40 2.34
 Chinese 13 (2.28) 351.67 13.37 71.80 3.00
 Mixed 23 (4.03) 343.48 25.34 74.07 2.27
 Other 7 (1.23) 353.33 10.33 73.42 3.30
p=0.873 p<0.001

*Deprivation defined by quintiles of Index of Multiple Deprivation (1=Most deprived to 5=Least deprived).

†Neighbourhood higher education participation (1=Lowest participation to 5=Highest participation). Item Missingness (N): School Type 44; School Performance 94; IMD 77; UCAS Tariff Points 21.