Table 4.

Regression coefficients predicting percentage of bets that were placed on impulse before the start of the match

Predictor	Unstd. coeff.	SE	95% CI		Std. coeff.	t	p
			LL	UL
Intercept	23.79	6.25	11.54	36.04		3.81	<.001
Gender (ref.: male)	12.12	1.65	8.89	15.35	0.17	7.36	<.001
Age (years)	−0.27	0.07	−0.41	−0.13	−0.10	−3.75	<.001
Marital status (ref.: married)
De facto	2.16	2.16	−2.08	6.39	0.03	1.00	.317
Divorced/separated/widowed	0.83	3.30	−5.64	7.29	0.01	0.25	.802
Single/never married	−2.29	1.92	−6.05	1.48	−0.03	−1.19	.234
Education (ref.: did not complete high school)
Year 12 or equivalent	−9.21	2.79	−14.69	−3.73	−0.12	−3.30	.001
Trade, technical certificate, or diploma	−7.22	2.77	−12.66	−1.78	−0.10	−2.61	.009
Undergraduate	−8.36	2.72	−13.68	−3.03	−0.12	−3.08	.002
Postgraduate	−11.42	3.35	−17.98	−4.86	−0.11	−3.41	.001
PGSI groups (ref.: non-problem)
Low risk	−8.31	2.47	−13.16	−3.46	−0.09	−3.36	.001
Moderate risk	−2.46	2.50	−7.35	2.44	−0.03	−0.98	.325
Problem	−2.43	2.58	−7.48	2.62	−0.04	−0.94	.345
Exposure to marketing	−0.97	0.94	−2.81	0.88	−0.02	−1.03	.304
Average frequency of inducements used	−2.62	0.43	−3.47	−1.77	−0.19	−6.04	<.001
Buying impulsiveness	8.99	1.07	6.90	11.08	0.22	8.44	<.001

Note. Significant predictors are represented in bold. Unstd. coeff.: unstandardized coefficient; Std. coeff.: standardized coefficient; SE: standard error; CI: confidence interval; LL: lower limit; UL: upper limit; PGSI: Problem Gambling Severity Index.

R² = .11, [F(15, 1792) = 15.40, p < .001].