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. 2021 May 3;21:849. doi: 10.1186/s12889-021-10834-5

Table 1.

Descriptive Data

Conduct problems * Fighting and Bullying *Rule-breaking
Low risk High risk Missing χ2 No Perhaps/Definitely Missing χ2 No Perhaps/Definitely Missing χ2
n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Total Sample (4353) 3572 (82) 710 (16) 71 (2) 2186 (62) 1132 (32) 217 (6) 2036 (58) 1240 (35) 259 (7)
Gender 6.13, p = 0.013 0·10, p = 0·752 8·34, p = 0·004
 Boys 1720 (80) 378 (18) 40 (2) 1034 (60) 542 (32) 134 (8) 925 (54) 628 (37) 157 (9)
 Girls 1852 (84) 332 (15) 31 (1) 1152 (63) 590 (33) 83 (5) 1111 (61) 612 (34) 102 (6)
Year group 0.07, p = 0·968 3·04, p = 0·219 53·40, p < 0·001
 7 1308 (82) 263 (17) 22 (1) 836 (63) 398 (30) 95 (7) 842 (63) 368 (28) 119 (9)
 8 1163 (82) 228 (16) 30 (2) 685 (60) 372 (33) 78 (7) 642 (57) 414 (36) 79 (7)
 9 1101 (82) 219 (16) 19 (1) 665 (62) 362 (34) 44 (4) 552 (52) 458 (43) 61 (6)
Ethnicity 60.80, p < 0·001 54·51, p < 0·001 59·63, p < 0·001
 Black African 907 (81) 185 (17) 21 (2) 523 (56) 335 (36) 68 (7) 515 (56) 321 (35) 90 (10)
 Black Caribbean 540 (75) 159 (22) 20 (3) 292 (58) 166 (33) 45 (9) 254 (51) 202 (40) 47 (9)
 Indian, Pakistani, Bangladeshi 165 (91) 14 (8) 2 (1) 106 (69) 39 (25) 8 (5) 115 (75) 31 (20) 7 (5)
 Latin American 180 (83) 35 (16) 2 (1) 75 (50) 68 (45) 8 (5) 69 (46) 62 (41) 20 (13)
 Mixed white and black 296 (78) 81 (21) 3 (1) 191 (62) 99 (32) 18 (6) 164 (53) 125 (41) 19 (6)
 Other black 101 (80) 25 (20) 1 (1) 57 (53) 44 (41) 6 (6) 56 (52) 44 (41) 7 (7)
 Other mixed/multiple 195 (82) 39 (16) 3 (1) 129 (62) 66 (32) 14 (7) 107 (51) 90 (43) 12 (6)
 Other White 345 (84) 59 (14) 5 (1) 195 (64) 92 (30) 16 (5) 178 (59) 107 (35) 18 (6)
 Other/unknown 245 (81) 49 (16) 9 (3) 155 (63) 71 (29) 19 (8) 149 (61) 78 (32) 18 (7)
 White British 598 (90) 64 (10) 5 (1) 463 (73) 152 (24) 15 (2) 429 (68) 180 (29) 21 (3)
Putative risk factors
 Receives free school meals
  yes 762 (78) 197 (20) 17 (2) 15.41, p < 0·001 391 (64) 224 (36) 42 (6) 1·82, p = 0·177 354 (54) 253 (39) 50 (8) 4·48, p = 0·034
  No 2629 (84) 470 (15) 38 (1) 1672 (66) 844 (34) 150 (6) 1566 (59) 921 (35) 179 (7)
 Experienced Racial Discrimination
  yes 805 (74) 272 (25) 4 (0) 86.45, p < 0·001 432 (49) 422 (48) 32 (4) 127·75, p < 0·001 418 (47) 422 (48) 46 (5) 81·82, p < 0·001
  No 2484 (86) 370 (13) 31 (1) 1651 (70) 641 (27) 58 (3) 1532 (65) 740 (31) 78 (3)
*Troublesome friends 211.62, p < 0·001 276·17, p < 0·001 282·18, p < 0·001
 None 956 (91) 79 (8) 14 (1) 805 (77) 204 (19) 40 (4) 796 (76) 203 (19) 50 (5)
 A few 1613 (84) 285 (15) 12 (1) 1219 (64) 648 (34) 43 (2) 1088 (57) 757 (40) 65 (3)
 Many or all 237 (60) 151 (38) 7 (2) 122 (31) 255 (64) 18 (5) 117 (30) 250 (63) 28 (7)
*Parental Control
High 1006 (80) 240 (19) 14 (1) 26.01, p < 0·001 750 (60) 466 (37) 44 (3) 22·69, p < 0·001 702 (56) 495 (39) 63 (5) 14·90, p < 0·001
Low 1261 (87) 174 (12) 10 (1) 1002 (69) 420 (29) 23 (2) 933 (65) 481 (33) 31 (2)
*Parental Care 52·10, p < 0·001 99·68, p < 0·001
 High 1253 (89) 144 (10) 15 (1) 57.41, p < 0·001 1002 (71) 374 (26) 36 (3) 978 (69) 385 (27) 49 (3)
 Low 1016 (79) 268 (21) 10 (1) 752 (58) 511 (39) 31 (2) 660 (51) 589 (46) 45 (3)

Complete cases reported, percentages and n unweighted

*Administered at 10 of 12 schools, total sample (n = 3535)