Table 3. Characteristics of participants not analyzed vs. analyzed, by gender.

		Males Not Analyzed (n = 982)		Males Analyzed (n = 438)		Females Not Analyzed (n = 1499)		Females Analyzed (n = 754)
Age at Death	Mean	83.8		87.24		88.03		90.77
	Range	66–109		73–103		67–107		72–107
	Missing (still alive)	10		2		40		15
	p-value				p<0.01 *				p<0.01 *
Characteristic	Category	N	(%)	N	(%)	N	(%)	N	(%)
Smoking	No	399	40.6%	189	43.2%	1391	92.8%	703	93.2%
	Yes	583	59.4%	249	56.8%	108	7.2%	51	6.8%
	p-value				p = 0.38**				p = 0.73**
Drinking Status	Never	185	24.1%	111	29.8%	701	61.8%	376	60.3%
	Former	120	15.6%	51	13.7%	74	6.5%	40	6.4%
	Low Current	419	54.6%	194	52.2%	331	29.2%	192	30.8%
	High Current	44	5.7%	16	4.3%	28	2.5%	16	2.6%
	Missing	214		66		365		130
	p-value				p = 0.17**				p = 0.91**
Body Mass Index	Underweight	26	3.4%	7	1.8%	83	6.6%	21	3.0%
	Normal	339	43.7%	146	37.0%	651	52.0%	336	48.8%
	Overweight	343	44.2%	197	49.9%	355	28.4%	243	35.3%
	Obese	68	8.8%	45	11.4%	162	12.9%	89	12.9%
	missing	206		43		248		65
	p-value				p = 0.03 **				p<0.01 **
Comorbidity Count	0	408	41.9%	205	47.1%	591	39.6%	346	46.2%
	1	410	42.1%	167	38.4%	667	44.7%	335	44.7%
	>1	156	16.0%	63	14.5%	233	15.6%	68	9.1%
	Missing	8		3		8		5
	p-value				p = 0.19**				p<0.01 **
Exercise	Highly Active	340	34.6%	139	31.7%	374	24.9%	157	20.8%
	Moderate	356	36.3%	190	43.4%	573	38.2%	364	48.3%
	Inactive	286	29.1%	109	24.9%	552	36.8%	233	30.9%
	p-value				p<0.01 **				p<0.01 **

*Student's t-test p-value compares the mean age at death for participants not analyzed vs. analyzed by gender.

**Chi-square p-value compares distribution within categories for participants not analyzed with participants analyzed, by gender.