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Table 3 Change in weight status in a cohort of Australian school children from 2007 to 2012 by gender and SES

From: Socioeconomic patterns of overweight, obesity but not thinness persist from childhood to adolescence in a 6 -year longitudinal cohort of Australian schoolchildren from 2007 to 2012

  Males (N = 478)   Females (N = 458)
2007 2008 2009 2010 2011 2012   2007 2008 2009 2010 2011 2012
% (N) % (N) % (N) % (N) % (N) % (N) % (N) % (N) % (N) % (N) % (N) % (N)
Total sample 478 403 383 367 395 361 Total sample 457 411 375 371 377 334
Obese 4.8 (23) 4.2 (17) 4.7 (18) 5.2 (19) 5.1 (20) 5.8 (21)   3.3 (15) 2.9 (12) 4.0 (15) 3.8 (14) 4.5 (17) 6.3 (21)
Overweight 15.9 (7.6) 16.1 (65) 17.2 (66) 17.4 (64) 16.2 (64) 17.2 (62)   17.3 (79) 16.8 (69) 19.2 (72) 20.2 (75) 18.8 (71) 16.2 (5.4)
Normal 76.6 (366) 75.2 (303) 73.6 (282) 73.3 (269) 74.7 (295) 73.7 (266)   74.8 (342) 75.4 (310) 71.7 (269) 69.3(257) 71.1 (268) 72.5(242)
Thin 2.7 (13) 4.5 (18) 4.4 (17) 4.1 (15) 4.1 (16) 3.3 (12)   4.6 (21) 4.9 (20) 5.1 (19) 6.7 (25) 5.6 (21) 5.1 (17)
SES       SES      
Low SES (N = 159)       Low SES (N = 175)      
Obese 8.2 (13) 5.1 (7) 5.3 (7) 8.0 (9) 7.1 (9) 4.6 (5) Obese 6.3 (11) 5.7 (9) 5.6 (8) 5.2 (7) 7.1 (10) 8.3 (10)
Overweight 14.5 (23) 17.6 (24) 19.1 (25) 17.7 (20) 17.3 (22) 22.0 (24) Overweight 17.0 (30) 15.9 (25) 18.8 (27) 22.2 (30) 20.7 (29) 20.0 (24)
Normal 74.8 (119) 74.3 (101) 73.3 (96) 71.7 (81) 74.0 (94) 69.7 (76) Normal 72.2 (126) 70.7 (111) 72.2 (104) 68.9 (93) 69.3 (97) 67.5 (81)
Thin 2.5 (4) 2.9 (4) 2.3 (3) 2.7 (3) 1.6 (2) 3.7 (4) Thin 4.5 (8) 7.6 (12) 3.5 (5) 3.7 (5) 2.9 (4) 4.2 (5)
Middle SES (N = 161)       Middle SES (N = 143)      
Obese 4.3 (7) 5.2 (7) 5.1 (6) 5.9 (7) 5.7 (7) 9.5 (11) Obese 2.1 (3) 2.4 (3) 2.7 (3) 4.6 (5) 4.4 (5) 6.9 (7)
Overweight 17.4 (28) 16.4 (22) 18.8 (22) 19.3 (23) 17.9 (22) 17.2 (20) Overweight 16.8 (24) 18.5 (23) 22.1 (25) 19.4 (21) 15.9 (18) 14.9 (15)
Normal 75.8 (122) 73.9 (99) 70.9 (83) 72.3 (86) 71.5 (88) 71.6 (83) Normal 74.1 (106) 74.2 (92) 67.3 (76) 65.7 (71) 70.8 (80) 71.3 (72)
Thin 2.5 (4) 4.5 (6) 5.1 (6) 2.5 (3) 4.9 (6) 1.7 (2) Thin 7.0 (10) 4.8 (6) 8.0 (9) 10.2 (11) 8.8 (10) 6.9 (7)
High SES (N = 158)       High SES (N = 139)      
Obese 1.9 (3) 2.3 (3) 3.7 (5) 2.2 (3) 2.8 (4) 3.7 (5) Obese 0.7 (1) 0 (0) 3.4 (4) 1.6 (2) 1.6 (2) 3.5 (4)
Overweight 15.8 (25) 14.3 (19) 14.1 (19) 15.6 (21) 13.8 (20) 13.2 (18) Overweight 18.0 (25) 16.2 (21) 16.9 (20) 18.8 (24) 19.4 (24) 13.3 (15)
Normal 79.1 (125) 77.4 (103) 76.3 (103) 75.6 (102) 77.9 (113) 78.7 (107) Normal 79.1 (110) 82.3 (107) 75.4 (89) 72.7 (93) 73.4 (91) 78.8 (89)
Thin 3.2 (5) 6.0 (8) 5.9 (8) 6.7 (9) 5.5 (8) 4.4 (6) Thin 2.2 (3) 1.5 (2) 4.2 (5) 7.0 (9) 5.6 (7) 4.4 (5)
Chi Square 7.4 3.9 4.1 8.2 6.8 8.9   12.4 15.2 5.6 7.2 9.4 6.0
P value 0.29 0.70 0.67 0.22 0.34 0.18   0.054 0.02* 0.47 0.30 0.15 0.42
  1. *P<0.05.