GAD1 and social phobia: Subclass 2 PUI subjects reported higher of levels of Internet usage across all online activities compared to subclass 1 and were more likely to report symptoms consistent with diagnostic criteria for Social Anxiety Disorder (OR = 1.386 [SE = .508], p = .006), GAD (OR = 1.304 [SE = .469], p = .006); and OCPD (OR = 1.243 [SE = .431], p = .004).