Table 3

Linear regression analysis to investigate the effect of sex, age, and deprivation on responses to question 5 using the overall mean acceptability score

Linear regression
5.15.25.35.45.55.65.75.85.95.10
PredictorsVouchersCashSmall paymentLarge paymentExpensesExtra rewardTargetedFor allPay every timePrize draw
Sex
 β0.083−0.204−0.044−0.075−0.022−0.295−0.180−0.091−0.023−0.098
 p0.6630.2840.8220.6620.9100.0880.3440.6600.9040.599
Age
 β0.4050.2980.2570.420−0.1250.5160.1780.4820.2070.302
 p0.0160.0730.1340.0050.4520.0010.2810.0080.2200.065
Deprivation
 β−0.015−0.106−0.181−0.1000.030−0.052−0.037−0.107−0.098−0.143
 p0.8180.1020.0070.0890.6510.3680.5640.1290.1350.025
R20.0200.0270.0350.0420.0030.0560.0090.0350.0140.033
  • β, regression coefficient; p, significance; NHS, National Health Service.