Table 1.

Predicted probabilities for associations between risk behaviours

Existing behaviour	Smoking (S)	Drinking (D)	Low fruit/vegetable consumption (F)	Low physical activity (P)	High sitting time (T)
S
D	0.8
F	0.57	0.57
P	0.48	0.47	0.62
T	0.49	0.54	0.54	0.67
SD			0.58	0.48	0.57
SF		0.77		0.49	0.49
SP		0.72	0.62		0.66
ST		0.79	0.57	0.55
DF	0.77			0.54	0.52
DP	0.77		0.67		0.64
DT	0.77		0.55	0.51
FP	0.48	0.51			0.65
FT	0.53	0.55		0.66
PT	0.49	0.47	0.61
SDF				0.54	0.53
SDP			0.54		0.65
SDT			0.55	0.52
SFP		0.76			0.68
SFT		0.77		0.57
SPT		0.71	0.66
DFP	0.74				0.62
DFT	0.76			0.58
DPT	0.74		0.65
FPT	0.5	0.5
SDFP					0.66
SDFT				0.58
SDPT			0.68
SFPT		0.75
DFPT	0.75

Emboldened figures represent statistically significant probabilities at P-values ≤ 0.001.