fit <- glmer(outcome ~ var1 + var2 + var3 + var4 + var5 + CONDITION + (1 | ranint),
                             family = binomial("logit"), data = data)
summary(fit)

Random effects:
 Groups Name        Variance Std.Dev.
 ranint (Intercept) 0        0
Number of obs: 5572, groups:  ranint, 260

Random effects:
 Groups Name        Variance Std.Dev.
 rantint (Intercept) 0.142    0.3768
Number of obs: 5572, groups:  rantint, 260