Table 2 Pattern of weight status in a longitudinal cohort of Australian school children of low, middle and high socioeconomic status between 2007 and 2012
Year | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|
% (N) | % (N) | % (N) | % (N) | % (N) | % (N) | |
Total N | 935 | 814 | 758 | 738 | 772 | 695 |
Total sample | ||||||
Obese | 4.1 (38) | 3.6 (29) | 4.4 (33) | 4.5 (33) | 4.8 (37) | 6.0 (42) |
Overweight | 16.6 (155) | 16.5 (134) | 18.2 (138) | 18.2 (138) | 17.5 (135) | 16.7 (116) |
Normal | 75.7 (708) | 75.3 (613) | 72.7 (551) | 71.3 (526) | 72.9 (563) | 73.1 (508) |
Thin | 3.6 (3.4) | 4.7 (38) | 4.7 (36) | 5.4 (40) | 4.8 (37) | 4.2 (29) |
Low SES (N = 334) | ||||||
Obese | 7.2 (24) | 5.5 (16) | 5.5 (15) | 6.5 (16) | 7.1 (19) | 6.6 (15) |
Overweight | 15.8 (53) | 16.7 (49) | 18.9 (52) | 20.2 (50) | 19.1 (51) | 21.0 (48) |
Normal | 73.4 (246) | 72.4 (212) | 72.7 (200) | 70.2 (174) | 71.5 (191) | 68.6 (157) |
Thin | 3.6 (12) | 5.5 (16) | 2.9 (8) | 3.2 (8) | 2.2 (6) | 3.9 (9) |
Middle SES (N = 304) | ||||||
Obese | 3.3 (10) | 3.9 (10) | 3.9 (9) | 5.3 (12) | 5.1 (12) | 8.3 (18) |
Overweight | 17.1 (52) | 17.4 (45) | 20.4 (47) | 19.4 (44) | 16.9 (40) | 16.1 (35) |
Normal | 75.0 (228) | 74.0 (191) | 69.1 (159) | 69.2 (157) | 71.2 (168) | 71.4 (155) |
Thin | 4.6 (14) | 4.7 (12) | 6.5 (15) | 6.2 (14) | 6.8 (16) | 4.1 (9) |
High SES (N = 297) | ||||||
Obese | 1.3 (4) | 1.1 (3) | 3.6 (9) | 1.9 (5) | 2.2 (6) | 3.6 (9) |
Overweight | 16.8 (50) | 15.2 (40) | 15.4 (39) | 17.1 (45) | 16.4 (44) | 13.3 (33) |
Normal | 79.1 (235) | 79.8 (210) | 75.9 (192) | 74.1 (195) | 75.8 (204) | 78.7 (196) |
Thin | 2.7 (8) | 3.8 (10) | 5.1 (13) | 6.8 (18) | 5.6 (15) | 4.4 (11) |
Chi Square | 16.3 | 9.7 | 7.3 | 11.0 | 13.8 | 10.5 |
P Value | 0.01* | 0.14 | 0.29 | 0.09 | 0.03* | 0.10 |