Perceived Stress Social psychology program Sexual relationship Functional problems Social accept/reject Work-related issues Family offspring issues Acc. to Tx Tx outcome Fatigue Perceived Stress Social psychology program .93*                   Sexual relationship .86* .78*                 Functional problems .84* .71* .66*               Social acceptance/rejection .88* .83* .68* .64*             Work-related issues .81* .61* .61* .73* .64*           Family offspring issues .62* .55* .56* .31* .57* .43*         Accessibility to treatment .58* .43* .39* .45* .53* .53* .20†       Treatment outcome .71* .51* .53* .74* .51* .66* .23† .53*     Fatigue .36* .38* .26* .43* .25* .17 .13* .23† .28*   Sleep Disturbance .40* .45* .36* .37* .37* .17 .22† .28* .23† .59* GSDS: General Sleep Disturbance Scale; Acc: Access; Tx: Treatment; * P≤ 0.01; † P≤ 0.05

Table 2: Correlations among perceived stress, sleep disturbances and fatigue.