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Table 2 Percentage shift in BMI categories over a 3-yr-period

From: Prevalence of overweight and obesity among primary school children in a developing country: NW-CHILD longitudinal data of 6–9-yr-old children in South Africa

  Group % (n) Boys % (n) Girls % (n) White % (n) Black % (n) Q1 % (n) Q2 % (n) Q3 % (n) Q4 % (n) Q5 % (n)
Increase 9.2 (53) 9.2 (26) 9.2 (27) 14.7 (21) 7.4 (31) 3.3 (4) 4.2 (4) 6.2 (8) 13.9 (15) 18.3 (22)
Decrease 3.0 (17) 2.1 (6) 7.3 (11) 5.0 (7) 2.5 (10) 2.5 (3) 3.1 (3) 0.8 (1) 2.8 (3) 5.8 (7)
  1. % = percentage; n = number of participants in parentheses; W = White; B = Black; Q = Quintile.