The physical and mental health of a large military cohort: baseline functional health status of the Millennium Cohort

Smith, Tyler C; Zamorski, Mark; Smith, Besa; Riddle, James R; LeardMann, Cynthia A; Wells, Timothy S; Engel, Charles C; Hoge, Charles W; Adkins, Joyce; Blaze, Dan

doi:10.1186/1471-2458-7-340

Table 3 Adjusted and Weighted Mental and Physical Component Summary Score Means for Millennium Cohort Study Participants (N = 75,413)

From: The physical and mental health of a large military cohort: baseline functional health status of the Millennium Cohort

	MCS		PCS
Characteristic	Adjusted Means^†	Weighted Means^‡	Adjusted Means	Weighted Means
Sex
Male	54.2^a	53.3^a	54.5^a	53.5^a
Female	52.2^b	51.0^b	53.4^b	52.8^b
Age, years
17–24	52.1^a	50.2^a	55.2^a	54.0^a
25–34	53.0^b	52.7^b	54.7^b	54.1^a
35–44	53.4^c	53.9^c	53.4^c	52.8^b
≥ 44	54.1^d	55.1^d	52.4^d	52.6^c
Education
No high school diploma	52.6^a	51.6^a	53.4^a	52.8^a
High school diploma diploma/equivalent	53.0^a	51.8^a	53.5^a	52.7^a
Some college	53.5^b	53.5^b	54.1^b	53.3^b
College degree	53.6^b	54.7^c	54.8^c	54.9^c
Marital status
Never married	53.1^a	51.1^a	54.3^a	54.3^a
Married	53.7^b	53.8^b	53.8^b	53.1^b
Divorced	52.7^a	52.7^c	53.8^b	52.9^b
Race/ethnicity
White non-Hispanic	52.6^a	52.8^a	53.8^{a, c}	53.5^a
Black non-Hispanic	54.2^b	53.5^b	53.7^a	52.5^b
Asian/Pacific Islander	53.3^c	54.1^c	54.5^b	54.1^c
Hispanic	53.1^c	52.6^a	54.1^{b, c}	53.4^a
Other	52.7^{a, c}	52.3^a	53.5^a	52.7^b
1998–2000 deployment to Bosnia, Kosovo, or Southwest Asia
No	53.1^a	52.9^a	54.0^a	53.4^a
Yes	53.3^b	53.4^b	53.9^a	53.6^b
Length of service, years
0–3	52.6^a	50.6^a	54.0^a	54.1^a
4–8	53.0^b	52.2^b	54.1^a	54.1^a
9–15	53.5^c	53.5^c	54.2^a	53.9^b
≥ 16	53.6^c	54.3^d	53.4^b	52.4^c
Military rank
Enlisted	52.1^a	52.3^a	53.1^a	52.9^a
Warrant officer	53.8^b	55.2^b	53.8^b	52.6^a
Commissioned officer	53.7^b	54.9^b	54.9^c	55.3^b
Service component
Reserve/National Guard	53.5^a	53.5^a	55.0^a	54.0^a
Active duty	52.8^b	52.6^b	52.9^b	53.0^b
Branch of service
Army	52.7^a	52.7^a	52.9^a	52.9^a
Air Force	53.8^b	54.0^b	54.5^b	54.2^b
Navy and Coast Guard	52.9^{a, c}	52.6^a	54.4^b	53.8^c
Marines	53.3^c	52.4^a	54.0^c	53.5^d
Occupational category
Combat specialists	53.3^a	53.6^a	54.0^a	53.9^a
Other occupations	53.1^b	52.8^b	53.9^a	53.3^b

* Medical Outcomes Study 36-Item Short Form Health Survey for Veterans. 1998 general US population means used to calculate mental and physical component summary scores (MCS, PCS).
^† Means are adjusted for all variables in the table.
^‡ Weighting based on the inverse of the sampling scheme.
^{a, b, c} Letters that are different indicate statistically significant differences (p < 0.05) of adjusted and weighted means. Same letters indicate no statistically significant differences in means. Tukey's method was used to adjust for multiple comparisons.

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ISSN: 1471-2458

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