Table 9.

Cox proportional hazards model of time to lung cancer mortality according to amount of current (study entry) total physical activity (MET-min/wk) by lung cancer subtype

MET minutes per week	No. of cases	Unadjusted model		Adjusted model*
		HR (95% CI)	Global p values	HR (95% CI)	Global p values
NSCLC subtype
0 to <100	269	Ref.	0.0001	Ref.	0.02
100 to <500	256	0.92 (0.77–1.09)		0.98 (0.82–1.16)
500 to <1,200	217	0.72 (0.60–0.86)		0.80 (0.66–0.98)
1,200+	179	0.70 (0.58–0.85)		0.76 (0.62–0.94)
SCLC subtype
0 to <100	51	Ref.	0.55	Ref.	0.46
100 to <500	38	0.93 (0.61–1.42)		1.10 (0.61–1.99)
500 to <1,200	31	0.73 (0.47–1.15)		0.68 (0.38–1.25)
1,200+	32	0.99 (0.63–1.54)		0.99 (0.56–1.76)
NSCLC-squamous
0 to <100	44	Ref.	0.15	Ref.	0.07
100 to <500	44	1.02 (0.67–1.55)		0.96 (0.56–1.64)
500 to <1,200	26	0.61 (0.37–0.99)		0.57 (0.31–1.03)
1,200+	22	0.81 (0.49–1.36)		0.52 (0.26–1.04)
NSCLC-adenocarcinoma
0 to <100	126	Ref.	0.0008	Ref.	0.02
100 to <500	108	0.75 (0.58–0.97)		0.81 (0.62–1.07)
500 to <1,200	115	0.66 (0.52–0.86)		0.72 (0.54–0.96)
1,200+	99	0.60 (0.46–0.79)		0.64 (0.48–0.87)
NSCLC-other
0 to <100	101	Ref.	0.42	Ref.	0.23
100 to <500	105	1.22 (0.92–1.60)		1.37 (1.01–1.85)
500 to <1,200	78	0.98 (0.72–1.32)		1.15 (0.80–1.64)
1,200+	60	1.10 (0.80–1.52)		1.13 (0.78–1.66)