TABLE 2.

Participant demographics.

Variable	Level	Adelaide (n = 207)	Newcastle (n = 177)	Total (n = 384)
Age		65.6 ± 2.8	65.4 ± 3.2	65.5 ± 3.0
Sex	Female	165	98	263
	Male	42	79	121
Education (years)		16.3 ± 3.3	16.7 ± 3.2	16.5 ± 3.2
Smoking status	Current smoker	84 (41%)	59 (33%)	143 (37%)
	Previous smoker	7 (3%)	0 (0%)	7 (2%)
	Never smoked	116 (56%)	118 (67%)	234 (61%)
Device-measured PA levels (min/day)	MVPA	91 ± 46	86 ± 47	89 ± 47
	LPA	178 ± 48	178 ± 52	178 ± 50
	SB	657 ± 90	682 ± 87	668 ± 90
	Sleep	513 ± 59	492 ± 53	503 ± 57
Sleep quality rating	Good	165 (79.7%)	149 (84.2%)	314 (81.6%)
	Bad	42 (20.3%)	28 (15.8%)	70 (18.8%)
Recreational PA (min/day)	“None”	0	0	0
	“<30”	21 ± 8	17 ± 8	19 ± 8
	“>30”	80 ± 49	81 ± 59	80 ± 53
TV watching (min/day)	High	223 ± 48	225 ± 67	224 ± 59
	Medium	128 ± 21	123 ± 17	126 ± 20
	Low	43 ± 28	47 ± 33	44 ± 30
ACE-III score		95.8 ± 3.1	94.2 ± 3.9	95.1 ± 3.6

Values are presented as either mean ± SD for numeric variables or count (percentage) for categorical variables. Recreational physical activity (PA) and TV watching data are presented as the mean ± SD minutes per day spent in respective activities. MVPA, moderate-vigorous physical activity; LPA, light physical activity; SB, sedentary behaviour; PME, perceived mental effort; ACE-III, Addenbrooke’s Cognitive Examination III.