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. 2020 Apr 20;14(1):69–77. doi: 10.1016/j.optom.2020.03.008

Table 7.

The results of the binomial logistic regression analysis with practice type, age and level of socio-economic deprivation (IMD).

Age group Variable
Under 16 χ2(3) = 756.40, p < .001, R2 = .025
b (S.E) Exp(B) (p) 95% CI for odds ratio (lower-upper)
Practice type 0.188 (0.037) 1.207 (p < .001) 1.123–1.297
Age −0.137 (0.005) 0.872 (p < .001) 0.863–0.881
IMD −0.064 (0.013) 0.938 (p < .001) 0.915–0.962
16–59 χ2(3) = 352.60, p < .001, R2 = .011
b (S.E.)
Exp(B)
95% CI for odds ratio (lower-upper)
Practice type −0.111 (0.035) 0.895 (p = .002) 0.835–0.959
Age 0.022 (0.001) 1.022 (p < .001) 1.019–1.024
IMD −0.020 (0.012) 0.980 (p = .10) 0.958–1.004
60 and above χ2(3) = 2597.39, p < .001, R2 = .018
b (S.E.)
Exp(B)
95% CI for odds ratio (lower-upper)
Practice type 0.036 (0.013) 1.037 (p = .006) 1.011–1.064
Age 0.039 (0.001) 1.040 (p < .001) 1.038–1.041
IMD 0.011 (0.005) 1.011 (p = .032) 1.001–1.021