Table 4.
Blockwise hierarchical logistic regression and sensitivity analyses on treatment status of PGr
n = 258 | Model with final weight | Model with sample weight | Model without any weight | |||||||||||||||||||||||||||||||||||||
Predictor | OR (95% Cl) | SE | z | p* | p** OR (95% Cl) | SE | z | p* | p** OR (95% Cl) | SE | z | p* | p** | |||||||||||||||||||||||||||
Socio-demographic | <001 | <001 | .004 | |||||||||||||||||||||||||||||||||||||
Age | 1.15 | (1.05-1.25) | 0.05 | 3.06 | .002 | 1.05 | 1.00-1.11 | 0.03 | 1.89 | .058 | 1.08 | 0.99-1.17 | 0.05 | 1.80 | .072 | |||||||||||||||||||||||||
Sex (ref. male) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||||||||||||||||||||||||
Marital status (ref. single) | ||||||||||||||||||||||||||||||||||||||||
married | 1.07 | (0.14-8.02) | 1.09 | 0.07 | .948 | 0.53 | 0.14-2.05 | 0.36 | -0.93 | .354 | 0.57 | 0.14-2.36 | 0.41 | -0.77 | .441 | |||||||||||||||||||||||||
divorced/widowed | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||||||||||||||||||||||||
Education level1 (ref. low) | ||||||||||||||||||||||||||||||||||||||||
medium | 0.11 | (0.02-0.54) | 0.09 | -2.75 | .006 | 0.42 | 0.13-1.37 | 0.25 | -1.44 | .150 | 0.27 | 0.08-0.95 | 0.17 | -2.04 | .042 | |||||||||||||||||||||||||
high | 0.03 | (0.00-0.48) | 0.04 | -2.5 | .013 | 0.53 | 0.11-2.48 | 0.42 | -0.81 | .416 | 0.38 | 0.06-2.25 | 0.35 | -1.06 | .287 | |||||||||||||||||||||||||
Employment status | 0.00 | (0.00-0.01) | 0.00 | -4.76 | <.001 | 0.06 | 0.01-0.26 | 0.04 | -3.69 | <.001 | 0.10 | 0.02-0.45 | 0.08 | -2.99 | .003 | |||||||||||||||||||||||||
(ref. unemployed) | ||||||||||||||||||||||||||||||||||||||||
Nationality (ref. German) | 0.06 | (0.01-0.49) | 0.06 | -2.62 | .009 | 0.20 | 0.06-0.66 | 0.12 | -2.66 | .008 | 0.17 | 0.05-0.62 | 0.11 | -2.68 | .007 | |||||||||||||||||||||||||
Gambling behaviour/PG2 | <.001 | .012 | .001 | |||||||||||||||||||||||||||||||||||||
Weekly3 | 0.10 | (0.02-0.58) | 0.09 | -2.59 | .010 | 0.52 | 0.12-2.37 | 0.40 | -0.84 | .400 | 0.51 | 0.10-2.55 | 0.42 | -0.82 | .414 | |||||||||||||||||||||||||
Multiple4 | 0.91 | (0.07-12.52) | 1.21 | -0.07 | .945 | 0.72 | 0.09-5.39 | 0.74 | -0.33 | .745 | 1.25 | 0.19-8.19 | 1.20 | 0.23 | .817 | |||||||||||||||||||||||||
Number of games | 0.76 | (0.30-1.97) | 0.37 | -0.56 | .575 | 0.54 | 0.29-1.03 | 0.18 | -1.86 | .063 | 0.51 | 0.26-1.01 | 0.18 | -1.94 | .052 | |||||||||||||||||||||||||
Internet games5 | 552.98 | (16-18.412) | 984.4 | 3.55 | <.001 | 7.60 | 1.17^9.39 | 7.26 | 2.12 | .034 | 13.55 | 2.06-89.18 | 13.03 | 2.71 | .007 | |||||||||||||||||||||||||
Casino6 | 5.55 | (0.56-54.72) | 6.45 | 1.47 | .142 | 2.16 | 0.24-19.39 | 2.42 | 0.69 | .493 | 1.50 | 0.24-9.52 | 1.42 | 0.43 | .664 | |||||||||||||||||||||||||
Gaming machines | 46.02 | (2.48-854) | 68.25 | 2.58 | .010 | 6.22 | 1.32-29.24 | 4.91 | 2.31 | .021 | 7.31 | 1.37-39.01 | 6.25 | 2.33 | .020 | |||||||||||||||||||||||||
Lotteries | 1.12 | (0.16-8.05) | 1.12 | 0.11 | .909 | 4.97 | 0.45-54.40 | 6.07 | 1.31 | .189 | 5.46 | 0.73-4.0.62 | 5.59 | 1.66 | .097 | |||||||||||||||||||||||||
All hazardous games7 | 0.00 | (0.00-0.16) | 0.01 | -2.84 | .005 | 0.19 | 0.01-3.59 | 0.29 | -1.10 | .270 | 0.17 | 0.01-4.24 | 0.28 | -1.08 | .282 | |||||||||||||||||||||||||
Stakes8 | 1.00 | (1.00-1.00) | 0.00 | 2.83 | .005 | 1.00 | 1.00-1.00 | 0.00 | 1.28 | .199 | 1.00 | 1.00-1.00 | 0.00 | 1.24 | .215 | |||||||||||||||||||||||||
Number of DSM-IV | 4.12 | (2.33-7.29) | 1.19 | 4.89 | <.001 | 1.69 | 1.06-2.71 | 0.41 | 2.19 | .028 | 1.81 | 1.11-2.96 | 0.45 | 2.36 | .018 | |||||||||||||||||||||||||
criteria | ||||||||||||||||||||||||||||||||||||||||
Substance use9 | .001 | .126 | .032 | |||||||||||||||||||||||||||||||||||||
Alcohol | 0.04 | (0.01-0.21) | 0.03 | -3.9 | <.001 | - | - | - | - | - | 0.25 | 0.07-0.86 | 0.16 | -2.19 | .029 | |||||||||||||||||||||||||
Smoking10 | 1.06 | (0.03-36.05) | 1.90 | 0.03 | .973 | - | - | - | - | - | 1.70 | 0.16-17.71 | 2.03 | 0.45 | .656 | |||||||||||||||||||||||||
Illicit drugs11 | 0.30 | (0.03-2.55) | 0.32 | -1.11 | .266 | - | - | - | - | - | 0.38 | 0.08-1.80 | 0.30 | -1.22 | .224 | |||||||||||||||||||||||||
Z2(19)12 | 57.7 | Z2 (16)12 | 50.6 | X2(19)12 | 51.8 | |||||||||||||||||||||||||||||||||||
P | <.001 | P | <.001 | P | <.001 | |||||||||||||||||||||||||||||||||||
Pseudo R2 | 58.5 | Pseudo Ŕ2 | 39.5 | Pseudo R2 | 44.7 | |||||||||||||||||||||||||||||||||||
F(9.249)13 | 399.5 | F(9.250)13 | 164.3 | F(9.249)13 | 67.6 | |||||||||||||||||||||||||||||||||||
14 P | <.001 | 14 P | <.001 | 14 P | <.001 |
Notes: PGr = pathological gamblers; OR = Odds Ratio; 95% Cl = 95% confidence interval; SE = robust standard error; * p-value of predictor, ** p-value of block of predictors (Wald x2-test); p ≤.05: bold; 1low: 9 years of school education/without graduation/other; medium: 10 years of school education; high: more than 10 years of school education; 2in the past year; 3gambling once or several times per week; 4rticipation in one or more gambling activities; 5internet casino, Internet card games, Internet sports betting; 6slot machines or table games; participating in any hazardous game (Internet games, casino, gam- . ing machines); 8average stakes per month in the past year for all gambling activities; in the past 30 days; 10regular smoking ( ≥20 days); 11any illicit drug; 12 x2-test of model, in braces: degrees of freedom df; 13 p-value of goodness of x2-test; 14F-value of goodness of fit test, in braces: df; 15 p-value of goodness of fit test.