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.six with alcohol, a greater proportion amongst all other disorders [30]. The prevalence of 12-month cannabis use was 6.eight whereas the cannabis use disorder was two.two in [29]. Tobacco use and cannabis use had been predictive of NMPOU, although 12-month alcohol use disorder, 12-month nicotine dependence, and 12-month cannabis use disorder had been predictors of NMPOU disorder. 3.3. Prevalence of Lifetime Psychiatric Disorders The incorporated study revealed psychiatric lifetime implications on deployed military personnel; nonetheless, there are 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 related psychiatric disorder prevalent among deployed military personal was non-medically prescribed opioid use and disorder [31]. Amongst the lifetime psychiatric problems prevalent in deployed military personnel, the prevalence of alcohol use was high, representing 76.0 [30]. The prevalence of binge drinking amongst lifetime alcohol customers was 6.7 [30]. Findings also showed that lifetime cannabis customers have been substantially connected with partic-Behav. Sci. 2021, 11,5 ofipants who had ever received disciplinary action, had ever been deployed to operational areas, or had ever been injured in combat, even though 12-month cannabis use was significantly related with ever possessing received disciplinary action or ever having been injured in combat.Table 1. Summary of DBCO-Sulfo-NHS ester web integrated studies.Author Study Aim To figure out the prevalence of each lifetime and 12 months and cannabis use disorder and their correlates amongst a military population. Nation Approach A multi-stage stratified systematic Nigeria Tiaprofenic acid Data Sheet sampling system was applied to sample participants. Study Design Sample Size Danger of Bias Key Discovering Higher lifetime prevalence of cannabis use; 12-month cannabis use was entirely confined to males; cannabis use was connected with past disciplinary action in the workplace. The 12-month prevalence of non-medical prescription opioid use was 6.7 and non-medical prescription opioid use disorder, 3.6 . Non-medical prescription opioid use was extra typical amongst people that ever got injured throughout combat. From the participants who had a combat injury, 8 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 additional hugely prevalent amongst the military personnel than the basic 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 amongst 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 also as the profile of challenges linked together with the diagnoses of alcohol use issues among a military population.A multi-stage stratified systematic Nigeria sampling approach was employed to sample participants.Descriptive cross-sectional stud.