Table 2. Reward-related behaviour: Regression coefficients and p-values of the interaction effects (PA x behaviour at lags 1 and 2 on behaviour at (t)) at beep and day level.

BEEP-LEVEL	Lag 1		Lag 2
Within-context effects	b-coefficient	p-value	b-coefficient	p-value
PAt-n φ x pleasant companyt-n on pleasant companyt	0.016	0.037*	0.008	0.287
PAt-n x physical activityt-n on physical activityt	0.022	0.012*	0.002	0.808
Cross-context effects
PAt-n x pleasant companyt-n on physical activityt	0.003	0.678	0.001	0.906
PAt-n x physical activityt-n on pleasant companyt	0.009	0.422	-0.012	0.279
DAY-LEVEL
Within-context effects	b-coefficient	p-value	b-coefficient	p-value
(PA x pleasant company)t-n on pleasant companyt	0.091	<0.001*	0.029	0.247
(PA x physical activity)t-n on physical activityt	-0.014	0.528	0.023	0.288
Cross-context effects
(PA x pleasant company)t-n on physical activityt	-0.048	0.025*	-0.062	0.004*
(PA x physical activity)t-n on pleasant companyt	-0.057	0.053	-0.086	0.003*

^φn is either 1 (in case of 1 lag) or 2 (in case of 2 lags)

* significant finding (α < 0.05).