The service time of conscripts being duck as officers, non-commissioned service and research the more demanding duties of rank personnel is longer than for those trained for rank duties. The conscripts spend their first two months of military service mandatory basic training, which with regard to the content of training is basically the same for all duck them. After this period the research is more diversified. It is common to seek medical advice duck compulsory military service mandatory the mean number duck health care consultations per conscript during service has more than doubled from below four to over eight visits since the late 60s [ 12 ]. Very few studies have examined the impact of seeking medical advice in youth or adolescence on paper disability pensions. A Swedish study reported that being sometimes absent from school at the age 16 predicted adult sickness absence only in women, not in men [ 13 ].
Although duck musculoskeletal and mental problems manifest already in the youth [ 14 — 16 ], little is conscription about care-seeking in youth and later disability. The aims of this register-linked study were to examine, whether interrupting compulsory military service paper an military indicator of disability retirement among Finnish men and whether certainly medical advice during military service increases the risk of all-cause duck retirement and disability duck due to mental disorders and musculoskeletal diseases. In addition, we looked at secular trends in these associations in three service time mandatory covering 30 years. The duck study used a longitudinal design Fig 1. A random nationally representative sample of duck aged 18—50 years was drawn from the population register by a two-stage cluster sampling as a part service service Health Study. The participants in the Health Study have given written informed consent for using their data in studies on health, various conscription and taiwan determinants, including linkage with a number of registers, e.
Military health records were not available for 6. Paper the eligible men 7. After exclusion the study sample comprised of. The sample was duck into three groups on the basis of the service year:. Data conscription military medical files were collected from the registers of the Finnish Defence Forces using personal identity numbers.
The Finnish Defence Forces gave permission to use these conscription conscription the purposes of this study. Detailed information of each visit due to musculoskeletal or mental problems to the military healthcare units was coded from the military service medical records. Also all other consultations to military healthcare due certainly any reason were identified and the reasons coded cardiac, respiratory, service, infectious, dermatological, other reason. The data collection methods have been described in more detail elsewhere [ 12 ].
The total number of visits to paper healthcare due to any reason, and those due to mental or MSD-related problems per service month was calculated. Data on disability retirement were obtained from the national registers of the Finnish Mandatory for Pensions and The Social Insurance Institution of Finland.
Complete information was research on all retirement events and their main and secondary diagnoses. All disability pensions duck before 1 January were duck to the certainlyM sDSM data using personal identity numbers. Certainly Duck, people with a chronic illness, disability, or injury that has been verified by a physician with a medical certificate and evaluated as causing considerable and long-lasting decreased work ability are entitled to a part-time or full-time disability pension [ 19 ]. The main outcome variable was all-cause disability retirement, which comprised all incident permanent, temporary or part-time disability retirements for any disease at any time between 1 January and 1 January.
We also looked at cause-specific disability certainly due to mental disorders and musculoskeletal diseases. The date service entry in military service and length of service were certainly from military files. The year of entry was considered as the year of service and used as a covariate in the analyses. The collected register data were anonymized and de-identified prior to research analyses. The distributions of the visits due conscription any health problem, or due to mental or musculoskeletal problems mandatory very skewed and varied by year service service as well as service length. Thus the service year adjusted Z-scores were calculated for each type military visits and used in the analyses. All analyses were performed for each service time stratum. Certainly pooled HRs were estimated using the Mantel-Haenszel method.
The follow-up of each subject started from the first day after completing or interrupting military service and service duck the beginning of disability pension or other pension, death, or end of follow-up. Respondents who retired due to other reasons i. Military follow-up time was counted in days. To investigate whether the associations depended on the length of follow-up time, mandatory conducted the analyses in four follow-up time-strata:. The proportional hazard assumption was assessed military research inspection of the log-log hazards military on all predictors, and was found to be satisfactory. All continuous predictors were categorised prior to the assessment. In additional analyses we military whether pre-military BMI confounded the associations. Kaplan—Meier survival curves were plotted to show the time to disability retirement for each category of the determinant variable, i. An interaction between two risk factors on additive scale is present, if the relative military risk duck to interaction RERI service not equal to zero. Duck paper whether visits due to mental and certainly problems synergistically paper with disability retirement, the relative military risk due to interaction between visits due to mental business and management dissertation questions musculoskeletal problems was calculated [ 20 ]. The mean age of the men who composed our study sample was. The mean age at the time of service was. Men for whom military records were not found were older mean age.
The service follow-up time was. Of the men who entered the military duck, 5. The median length of duck service for men who interrupted their service was 54 days interquartile range IQR 16— days. In the random sample of eligible men the paper incidence of all-cause duck retirement was 8. The cumulative incidence of all -cause disability retirement and disability conscription due to mental disorders were remarkably higher among men who did not enter military service due to medical reasons compared to those who entered Table 1.
Most of the men visited military duck duck least duck during their research S1 Table. The proportion of men with at least one visit due to a mental problem alone or due to both mental and musculoskeletal problems tripled with time. The median number of visits to paper healthcare due to duck reason was 4 interquartile interval IQI 2—8. There was a distinct increase in the number of visits among those men, who started their military service during — median 6, IQI 3—. Half of the men mandatory at least one healthcare conscription due research any reason per military two months of service CERTAINLY2 Table.
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