Ccording to [31], the 12-month prevalence of non-medically prescribed opioid use was 6.7 and NMPOU is 3.six . The prevalence was 53.6 with alcohol, a greater proportion among all other problems [30]. The prevalence of 12-month Pramipexole dihydrochloride Protocol cannabis use was 6.8 whereas the cannabis use disorder was two.two in [29]. Tobacco use and cannabis use had been predictive of NMPOU, whilst 12-month alcohol use disorder, 12-month nicotine dependence, and 12-month cannabis use disorder were predictors of NMPOU disorder. 3.3. Prevalence of Lifetime Psychiatric CGP35348 medchemexpress disorders The incorporated study revealed psychiatric lifetime implications on deployed military personnel; on the other hand, there are actually varying degrees of occurrence. In Lasebikan and Ijomanta [29], lifetime cannabis use was 13.5 , lifetime cannabis abuse was four.9 , lifetime cannabis dependence was 0.9 , and lifetime cannabis use disorder was five.8 . A similar psychiatric disorder prevalent among deployed military private was non-medically prescribed opioid use and disorder [31]. Among the lifetime psychiatric disorders prevalent in deployed military personnel, the prevalence of alcohol use was higher, representing 76.0 [30]. The prevalence of binge drinking among lifetime alcohol users was 6.7 [30]. Findings also showed that lifetime cannabis users were significantly related with partic-Behav. Sci. 2021, 11,five ofipants who had ever received disciplinary action, had ever been deployed to operational areas, or had ever been injured in combat, whilst 12-month cannabis use was drastically connected with ever having received disciplinary action or ever possessing been injured in combat.Table 1. Summary of incorporated studies.Author Study Aim To ascertain the prevalence of both lifetime and 12 months and cannabis use disorder and their correlates amongst a military population. Nation Approach A multi-stage stratified systematic Nigeria sampling technique was used to sample participants. Study Design Sample Size Danger of Bias Important Acquiring Higher lifetime prevalence of cannabis use; 12-month cannabis use was completely confined to guys; cannabis use was connected with previous disciplinary action inside the workplace. The 12-month prevalence of non-medical prescription opioid use was 6.7 and non-medical prescription opioid use disorder, three.six . Non-medical prescription opioid use was extra common amongst people who ever got injured through combat. From the participants who had a combat injury, eight had lifetime use of prescription opioids and created either abuse or dependence. Prevalence of lifetime alcohol use was 76 , 12 months prevalence was 54 , and frequent binge drinking was reported in 7 of respondents. Alcohol use is extra very prevalent among the military personnel than the common population.Lasebikan, V. O. and Ijomanta, I. N. (2018)Descriptive cross-sectional studyLowLasebikan, V. O. and Ijomanta, I. N. (2019)To ascertain 12-month prevalence of non-medically prescribed opioid use and non-medically prescribed opioid use disorder among military population.A multi-stage stratified systematic Nigeria sampling approach was utilised to sample participants.Descriptive cross-sectional studyLowIjomanta, I. N. and Lasebikan, V. O. (2016)To establish the lifetime and 12 months prevalence of alcohol use and alcohol use disorders as well as the profile of challenges associated with the diagnoses of alcohol use problems among a military population.A multi-stage stratified systematic Nigeria sampling approach was utilized to sample participants.Descriptive cross-sectional stud.