Table 4.

Interaction analysis for physical activity and extraversion.

		B	SE	β	R 2	ΔR2
Step 1	Country	4.18	0.93	0.29 ***	0.09	0.09
	Age	0.53	0.92	0.04
	Gender	−0.26	0.77	−0.02
	Longstanding Illness or Disability	−2.39	0.78	−0.16 **
	Highest Level of Qualification	2.84	0.82	0.20 **
Step 2	Country	1.76	0.84	0.12 *	0.34	0.25
	Age	1.17	0.80	0.08
	Gender	0.11	0.67	0.01
	Longstanding Illness or Disability	−1.07	0.69	−0.07
	Highest Level of Qualification	1.46	0.72	0.10 *
	Physical Activity	3.50	0.70	0.24 ***
	Extraversion	6.30	0.69	0.42 ***
Step 3	Country	1.41	0.84	0.10	0.35	0.02
	Age	1.68	0.81	0.12 *
	Gender	0.40	0.67	0.03
	Longstanding Illness or Disability	−0.90	0.68	−0.06
	Highest Level of Qualification	1.48	0.71	0.10 *
	Physical Activity	3.08	0.71	0.21 ***
	Extraversion	5.96	0.69	0.39 ***
	Interaction (Physical Activity × Extraversion)	1.79	0.62	0.14 **

Note. N = 349. B = unstandardised beta. SE = standard error. β = standardised beta. ΔR² = change in R². * p < 0.05, ** p < 0.01, *** p < 0.001.