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| Name | Class |
|---|---|
| University of Nottingham | OTHER |
| University of California, Los Angeles | OTHER |
| Loughborough University | OTHER |
| Ministry of Defence, United Kingdom |
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Psychosocial and lifestyle factors in Army recruits likely contribute to increased susceptibility to infection and injury during basic Army training. The primary aim of this study is to assess the influence of psychosocial and lifestyle factors at the start of basic Army training on immune health (e.g. respiratory infection and antibody response to influenza vaccination) and injury during training, in an observational design.
A secondary aim is to establish whether changes in psychosocial and lifestyle factors during training impact immune health (e.g. response to hepatitis B vaccination). Using an interventional design, participants will be randomly allocated into two experimental groups: (i) Routine vaccination group: to receive first hepatitis B vaccination at initial medical assessment upon entry to basic training and second hepatitis B vaccination 1 month later; (ii) Delayed vaccination group: to receive first hepatitis B vaccination during week 5 of training and second hepatitis B vaccination 1 month later.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Routine vaccination (Control) | No Intervention | ||
| Delay vaccination (Experimental) | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Delayed vaccination | Behavioral | First and second hepatitis B vaccinations will be delayed by 1 month in the interventional group to establish whether changes in psychosocial and lifestyle factors during training impact immune health. |
| Measure | Description | Time Frame |
|---|---|---|
| Antibody response to influenza vaccination - Aim 1 | 1 month | |
| Physician diagnosed respiratory infection incidence - Aim 1 | 6 months | |
| Physician diagnosed injury incidence - Aim 1 | 6 months | |
| Antibody response to second hepatitis B vaccination - Aim 2 | Routine group: 3 months; Delay group: 4 months |
| Measure | Description | Time Frame |
|---|---|---|
| Antibody response to influenza vaccination | 4 months | |
| Antibody response to first hepatitis B vaccination | Routine group: 1 months; Delay group: 2 months | |
| C-reactive protein |
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Inclusion Criteria:
Men and women aged 16-33 years enrolled in phase one British Army training
Exclusion Criteria:
-
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| Name | Affiliation | Role |
|---|---|---|
| Neil P Walsh, PHD | Liverpool John Moores University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Infantry Training Centre | Catterick | North Yorkshire | DL9 3PS | United Kingdom |
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| ID | Term |
|---|---|
| D012141 | Respiratory Tract Infections |
| D014947 | Wounds and Injuries |
| ID | Term |
|---|---|
| D007239 | Infections |
| D012140 | Respiratory Tract Diseases |
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| OTHER_GOV |
For aim 1, an observational design will be used to examine the influence of psychosocial and lifestyle factors at the start of basic Army training on immune health (e.g. respiratory infection and antibody response to influenza vaccination) and injury during training.
For aim 2, the recruited cohort will be divided into two groups: (i) Routine vaccination group: to receive first hepatitis B vaccination at initial medical assessment upon entry to basic training and second hepatitis B vaccination 1 month later; (ii) Delayed vaccination group: to receive first hepatitis B vaccination during week 5 of training and second hepatitis B vaccination 1 month later.
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| Baseline, 1-day post vaccination and 1 month |
| Gene expression profiling | Baseline and 1 month |
| Epstein Barr Virus serostatus/antibody titre | Baseline and 1 month |
| Cytomegalovirus serostatus/antibody titre | Baseline and 1 month |
| Torque Teno Virus plasma DNA | Baseline and 1 month |
| Interleukin-6 | Baseline and 1 month |
| Hair cortisol | Baseline |