Dose-response relationship of lung cancer to amount smoked, duration and age starting

Table 10 Duration of smoking by current smokers - fitted values for of β₁ and SE, and P values for goodness-of-fit tests for the best-fitting power model and log-with-baseline model

Block: Study	Log-with-baseline model1log RR = β1 [1 + (0.2 yr/10)]			Power model1log RR = β1 (yr/10)0.74
	β1	SE β1	P (fit)2	β1	SE β1	P (fit)2
1: AMANDU	1.5114	0.5504	0.0030	0.3454	0.1210	0.0046
2: BEST	3.7163	0.4210	(0.0548)	0.7995	0.0908	0.0469
3: BOUCOT	6.7731	1.6574	NS	1.4235	0.3482	NS
4: BUFFLE	4.5141	0.4888	0.0466	0.9570	0.1029	(0.0780)
5: CEDERL	3.4044	0.7166	NS	0.7147	0.1512	NS
6: CEDERL	3.3566	0.7692	NS	0.6990	0.1609	NS
7: CPSI	3.6386	1.4531	NS	0.7530	0.3009	NS
8: CPSI	5.7248	0.4753	(0.0947)	1.2122	0.1011	(0.0518)
9: CPSI	4.8058	0.2032	0.0003	1.0130	0.0429	0.0002
10: CPSI	3.7681	0.1557	0.0002	0.7976	0.0328	0.0010
11: CPSI	3.1437	0.1768	0.0079	0.6566	0.0369	0.0073
12: CPSI	5.1328	1.5211	NS	1.0518	0.3119	NS
13: CPSI	3.9960	0.3377	0.0308	0.8342	0.0708	0.0165
14: CPSI	2.8575	0.1844	(0.0637)	0.5999	0.0388	0.0383
15: CPSI	2.6384	0.1872	0.0000	0.5544	0.0394	0.0000
16: CPSI	1.5443	0.3346	NS	0.3238	0.0702	NS
17: CPSII	9.5482	2.4662	0.0149	1.9485	0.5160	0.0076
18: CPSII	6.1160	0.5675	NS	1.2874	0.1199	NS
19: CPSII	5.9905	0.3222	(0.0749)	1.2722	0.0684	(0.0921)
20: CPSII	4.5913	0.1996	0.0058	0.9714	0.0421	0.0210
21: CPSII	3.6604	0.2069	NS	0.7645	0.0432	NS
22: CPSII	5.1073	3.0925	NS	1.1011	0.6362	NS
23: CPSII	5.8103	0.4709	NS	1.2180	0.0988	NS
24: CPSII	4.9498	0.2256	NS	1.0461	0.0476	NS
25: CPSII	4.1028	0.1646	NS	0.8656	0.0347	NS
26: CPSII	3.3310	0.1915	NS	0.6993	0.0402	NS
27: DEAN2	2.1038	0.3399	NS	0.4515	0.0723	NS
28: DEAN2	2.9155	0.6412	NS	0.5984	0.1334	NS
29: HUMBLE	4.2780	0.2807	0.0091	0.9005	0.0590	0.0148
30: KAISE2	3.8758	0.4357	NS	0.8202	0.0922	NS
31: KAISE2	4.7883	0.5320	NS	1.0198	0.1130	NS
32: KATSOU	2.9305	0.7339	NS	0.6031	0.1527	NS
33: LIAW	2.4277	0.4372	NS	0.5093	0.0921	NS
34: MATOS	3.4356	0.5336	NS	0.7276	0.1124	NS
35: PEZZO2	3.3022	0.5283	0.0002	0.7260	0.1137	0.0005

¹Years smoked;

²Not significant (NS) indicates P≥ 0.1. P values in the range 0.05 ≤P < 0.1 are shown in brackets.