Table 4.

Multinomial logistic regression of demographic variables on each latent class.

	The overall more affected		Course activities were more affected		Social activities were more affected
	OR	CI (95%)	OR	CI (95%)	OR	CI (95%)
Grade
Second-year graduate students	2.89***	2.22–3.56	1.87**	1.34–2.39	2.35**	1.57–3.13
Third-year graduate students	2.34***	1.66–3.03	1.13	0.69–1.57	2.16*	1.26–3.06
Major
Science and engineering	0.80	0.51–1.08	0.79	0.45–1.14	1.88	0.85–2.91
Social studies	0.82	0.60–1.04	0.79	0.54–1.05	1.46	0.79–2.13

^*p < 0.05, ^**p < 0.01, and ^***p < 0.001.