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Table 3

Average weekly percentage of children with back pain in each grade and survey year

School grade in survey year 1 Average weekly % (n) of children with back pain
Survey year 1 Survey year 2 Survey year 3
0 1%(n = 1)1%(n = 2)2%(n = 3)
1 1%(n = 2)1%(n = 3)1%(n = 3)
2 5%(n = 7)3.5%(n = 9)3%(n = 8)
3 3%(n = 4)2%(n = 5)2%(n = 5)
4 3.5%(n = 5)3%(n = 7)3%(n = 6)