TABLE 5.

Nonmedical Treatment in Risk Strata After 12 to 14 Years

Risk Strata	No Nonpharmacological Treatment	Active Neck Exercise	Chiropractor	Physiotherapy	Acupuncture
1	0.79 (0.65, 0.88)	0.10 (0.03, 0.31)	0.06 (0.01, 0.30)	0.10 (0.03, 0.31)	0.02 (0.00, 0.63)
2	0.75 (0.66, 0.82)	0.18 (0.11, 0.29)	0.12 (0.06, 0.22)	0.10 (0.05, 0.20)	0.07 (0.03, 0.17)
3	0.62 (0.48, 0.73)	0.18 (0.10, 0.34)	0.07 (0.02, 0.25)	0.15 (0.07, 0.31)	0.08 (0.03, 0.26)
4	0.55 (0.38, 0.71)	0.21 (0.10, 0.42)	0.05 (0.01, 0.41)	0.21 (0.10, 0.42)	0.03 (0.00, 0.68)
5	0.48 (0.27, 0.70)	0.35 (0.16, 0.61)	0.26 (0.10, 0.55)	0.35 (0.16, 0.61)	0.13 (0.03, 0.50)
6	0.58 (0.41, 0.74)	0.25 (0.12, 0.46)	0.11 (0.03, 0.37)	0.22 (0.10, 0.44)	0.22 (0.10, 0.44)
7	0.47 (0.21, 0.74)	0.33 (0.12, 0.67)	0.00 (0.00, 0.22)	0.27 (0.08, 0.64)	0.27 (0.08, 0.64)
Total	0.66 (0.60, 0.71)	0.2 (0.16, 0.25)	0.10 (0.07, 0.13)	0.16 (0.12, 0.20)	0.09 (0.06, 0.12)
	*	NS	NS	*	†

Data presented as frequencies with 95% confidence intervals (binomial exact) in brackets.

NS indicates nonsignificant.

K-W: *P<0.05.

†P<0.01.