Table 1.

The degree of prosociality during the 2013 OPV vaccination campaign estimated from the game-theory model and results from the survey^*

	National	Orthodox	Religious	Traditional	Secular	Arab
Vaccination coverage (ν)	72.1%	78.1%	63.6%	72.3%	63.7%	88.0%
Comprehended campaign as prosocial (α)	54.8%	48.4%	56.2%	63.6%	66.8%	25.5%
Estimated comprehensors that are prosocial (ρ)†	69.7%	74.5%	61.6%	71.1%	63.1%	80.2%
Minimum strength of prosocial behavior (κ)	0.24	0.27	0.21	0.24	0.21	0.32
Estimated strength of prosocial behavior (κ)‡	0.59	0.63	0.53	0.59	0.53	0.72
Sensitivity to infection (γ)	0.076	0.085	0.064	0.076	0.064	0.101

^*We assumed a vaccine efficacy of 63%, 94% of the population is eligible for vaccination, the perceived basic reproductive number to be 2.24, the relative risk for an unaware individuals to be ∼2.14 × 10⁻⁴, the relative risk for an aware individual to be 0.001, and evaluating the probability of infection as R₀(1 − εν)^1/γ/(R₀+(1 − εν)^1/γ).

^†The percentage of the eligible population that is prosocial for the different sociocultural groups was estimated based on the assumption that unaware individuals were ∼1.22 times more likely to vaccinate than an aware individual (SI Appendix, Validation). Since 94% of the population was assumed eligible for vaccination (i.e., ω = 0.94), ωαρ represents the proportion of prosocials reported in the survey.

^‡Estimated using Eq. 4.