The ARMS study is the first prospective study conducted in the U.S. Army to assess physical fitness before accession. Physical fitness and motivation to serve were shown to correlate with attrition during initial entry training.

The investigated C trachomatis intervention program for female Army recruits was associated with a lower overall hospitalization rate in screened volunteers, as compared with unscreened women. The pelvic inflammatory disease hospitalization rate in women with C trachomatis who were screened and treated was similar to that observed in uninfected women.

The Assessment of Recruit Motivation and Strength (ARMS) project evaluated whether active duty Army enlistees who exceeded weight and body-fat standards but were able to pass the ARMS physical fitness test were at elevated risk of early attrition relative to the traditional recruit population. Attrition among 1146 overweight and overbody-fat (OBF) recruits who passed ARMS was compared to 10,514 fully qualified (FQ) recruits who began service in February 2005 through September 2006. The ARMS test includes a 5-minute step test and a 1-minute pushup test. There were no significant differences in attrition between OBF and FQ at 180 days: adjusted hazard ratios were 1.17 (95% CI: 0.83, 1.65) among females and 1.23 (95% CI: 0.95, 1.58) among males. This study indicates that physically fit recruits who exceeded weight/body-fat standards were equally capable of serving at least 180 days compared to those who met standards.

A retrospective cohort study was conducted to evaluate the Department of Defense practice of allowing some individuals with a history of attention-deficit/hyperactivity disorder (ADHD) to enter military service (waiving for ADHD). Enlisted recruits who entered active duty with a waiver for academic problems related to ADHD were compared with control subjects who did not reveal health problems before entry, in terms of retention, promotion, and mental health-related outcomes. A total of 539 recruits with a history of ADHD were retained at the same rate as 1,617 control subjects, with no differences in promotion rates, comorbid diagnoses, or mental health-related discharges. On the basis of these findings, the Department of Defense medical accession standards have been changed to allow applicants who reveal a history of ADHD but did not require medication to finish high school or to hold a job for at least 1 year the opportunity to enter active duty without going through the current waiver process.

This analysis is motivated by recent reviews on the carcinogenicity of beryllium by the International Agency for Research on Cancer, the U.S. Environmental Protection Agency, and the American Conference of Governmental Industrial Hygienists, and reconsideration by the National Toxicology Program on its classification of the carcinogenicity of beryllium. It reanalyzes data from a 1992 publication of a cohort mortality study conducted by the National Institute of Occupational Safety and Health (NIOSH) of workers employed in seven plants producing beryllium in the United States (Ward et al., 1992). That publication reported an increased risk of lung cancer in these workers and concluded that it is most likely due to occupational exposure to beryllium compounds. This present report uses: (1) an adjustment for smoking based on more germane estimates of the association between smoking and mortality from lung cancer; (2) computations of expected lung cancer rates based on alternative comparison populations; and (3) an overall combined estimate of the findings from the individual plants based on meta-analysis. Our findings indicate lower and generally not statistically significant standard mortality ratios that are not compatible with the interpretation of a likely causal association.

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The increased likelihood of medical attrition in enlistees with a waiver for hearing loss provides no evidence to make the hearing accession standard more lenient and validates a selective hearing loss waiver policy.