. 2013 Jun 11;1(1):2325967113492707. doi: 10.1177/2325967113492707

Table 1.

Baseline Characteristics (in Percentages) of 80,106 Active-Duty Personnel, 2001-2008

	No Tendon Injury (n = 77,902)	Achilles Tendinopathy (n = 450)	Patellar Tendinopathy (n = 584)	Plantar Fasciitis (n = 1228)
Deployment^a,b
No	89.66	91.33	89.73	90.88
Yes	10.34	8.67	10.27	9.12
Birth year
Before 1960	5.34	8.22^a	3.42^a	9.77^a
1960-1969	19.23	24.00^a	16.78^a	27.61^a
1970-1979	30.14	29.56^a	25.51^a	30.05^a
1980 and later	45.30	38.22^a	54.28^a	32.57^a
Sex
Male	70.30	69.33	63.53^a	56.60^a
Female	29.70	30.67	36.47^a	43.40^a
Race/ethnicity
White, non-Hispanic	68.00	62.00^a	67.29^a	61.73^a
Black, non-Hispanic	12.68	18.89^a	16.61^a	17.75^a
Other	19.32	19.11^a	16.10^a	20.52^a
Service branch
Army	33.99	47.56^a	42.64^a	48.21^a
Navy and Coast Guard	22.81	14.00^a	16.44^a	18.24^a
Marine Corps	11.57	11.33^a	9.25^a	7.41^a
Air Force	31.63	27.11^a	31.68^a	26.14^a
Military rank
E1-E4	58.63	52.67	67.12^a	50.00^a
E5-E9, W0-W5	26.03	31.56	23.80^a	33.39^a
O1-O4	13.30	13.56	7.53^a	12.95^a
O5-O9	2.04	2.22	1.54^a	3.66^a
Occupational codes
Combat specialists	18.71	16.44^a	13.53^a	13.52^a
Electronic equipment repair	10.33	12.00^a	10.10^a	11.32^a
Communications/intelligence	9.48	11.78^a	10.27^a	7.90^a
Health care	9.88	10.22^a	11.30^a	15.23^a
Other technical and allied specialists	3.21	2.22^a	4.79^a	2.93^a
Functional support and admin	16.71	18.67^a	19.01^a	20.36^a
Electrical/mechanical equipment repair	16.92	10.89^a	17.81^a	14.01^a
Craft workers	2.72	2.67^a	2.23^a	2.69^a
Service and supply	8.36	11.11^a	9.25^a	10.26^a
Students, trainees, and other	3.68	4.00^a	1.71^a	1.79^a
Smoking status
Never	55.80	58.22	53.08	58.39^a
Past	22.53	21.78	23.12	24.51^a
Current	21.67	20.00	23.80	17.10^a
Body mass index
Underweight or normal weight	44.76	35.11^a	43.66	32.33^a
Overweight	46.54	51.33^a	44.86	53.42^a
Obese	8.70	13.56^a	11.47	14.25^a
Weekly alcohol use^c
None	44.01	42.89	48.80	47.31^a
Light	30.07	28.44	26.20	30.13^a
Moderate	13.51	15.56	12.67	12.05^a
Heavy	12.41	13.11	12.33	10.50^a
Prior physical trauma^d
No	90.87	67.56^a	73.29^a	61.56^a
Yes	9.13	32.44^a	26.71^a	38.44^a
Depression^e
No	95.48	93.78	95.21	93.97^a
Yes	4.52	6.22	4.79	6.03^a
Physical component summary score^f
Lowest 15%	15.07	24.22^*	28.25^a	28.58^a
Middle 70%	70.51	67.33^a	64.38^a	63.93^a
Highest 15%	14.42	8.44^a	7.36^a	7.49^a

^aP < .05 (significantly associated with respective tendinopathy using χ² tests).

^bDeployed to Iraq or Afghanistan in support of recent military operations up to 6 months prior to baseline survey assessment.

^cFor women, light = 1-3 drinks/wk, moderate = 4-6 drinks/wk, heavy = 7+ drinks/wk; for men, light = 1-6 drinks/wk, moderate = 7-13 drinks/wk, heavy = 14+ drinks/wk.

^dTendinopathy or fracture diagnosis prior to baseline survey assessment.

^eAssessed using the Patient Health Questionnaire–9.

^fAssessed using the Medical Outcomes Study Short Form 36-Item Survey for Veterans.