A multi-method exploration into the social networks of young teenagers and their physical activity behavior

BMC Public Health

Table 2 Participant characteristics (Phase 1)

	Males (n = 272)				Females (n = 257)				Overall (n = 529)
Participant characteristics	Mean	S.D.	N		Mean	S.D.	N		Mean	S.D.	N
Participant characteristics	Mean	S.D.	Valid	Missing	Mean	S.D.	Valid	Missing	Mean	S.D.	Valid	Missing
Age (years)	14.39	0.30	272	0	14.38	0.34	257	0	14.38	0.32	529	0
Female (%)									46.80
Physical Activity
Individual PAQ-C summary mean	3.01	0.67	268	4	2.54	0.58	257	0	2.78	0.67	525	4
Friend group PAQ-C summary mean	3.05	0.40	233	39	2.57	0.33	223	34	2.81	0.44	456	73
Best friend’s PAQ-C summary	3.05	0.66	221	51	2.51	0.58	206	51	2.79	0.68	427	102
Out-degree	5.96	3.47	272	0	5.28	3.08	256	1	5.63	3.30	528	1
In-degree	6.00	3.17	272	0	5.22	2.63	257	0	5.62	2.95	529	0

Individual PAQ-C summary mean is derived from nine items, each scored on a 5-point scale to assess general physical activity levels
Friend group PAQ-C summary mean is derived from the mean PAQ-C summary means of participant’s nominated friends
Best friend PAQ-C summary mean is derived from the participant’s first nominated friend’s PAQ-C summary mean

ISSN: 1471-2458