passages.id: 856
passages.type: sentence
passages.text: Their average age was 45 years , 91 % were male , 58 % were white , 40 % served in Iraq or Afghanistan , and 42 % served in Vietnam .
entities.id: 857
entities.type: participant
entities.text: Their average age was 45 years , 91 % were male , 58 % were white , 40 % served in Iraq or Afghanistan , and 42 % served in Vietnam