Table 4.

SSc-specific subscales from GENISOS data and membership in previous scales

New subscale	Original IBQ item		Original scale membership
			Pilowsky & Spence	Zonderman, Heft, & Costa	Main & Waddell	Prior & Bond
Symptom Bother	IBQ3	Does your illness interfere with your life a great deal?	Disease Conviction	Illness Disruption	Life Disruption	Affirmation of Illness
	IBQ16	Are you bothered by many pains and aches?	Psychological vs. Somatic Functioning (R)	Illness Disruption	Life Disruption	Affirmation of Illness
	IBQ26	Do you experience a lot of pain with your illness?		Illness Disruption		Affirmation of Illness
	IBQ41	Do you find that you are bothered by many different symptoms?	Disease Conviction		Affective and Hypochondriacal Disturbance	Affirmation of Illness
	IBQ50	Do you often have the symptoms of a very serious disease?				Affirmation of Illness
Health Worry	IBQ1	Do you worry a lot about your health?		Health Worry		Concern for Health
	IBQ8	Is it easy for you to forget about yourself and think about all sorts of other things? (R)		Illness Disruption (R)	Affective and Hypochondriacal Disturbance (R)
	IBQ21	Are you afraid of illness?	General Hypochondriasis	Health Worry		Concern for Health
	IBQ24	Do you think that you worry about health more than other people?	General Hypochondriasis	Health Worry		Concern for Health
	IBQ34	Do you often worry about the possibility that you have got a serious illness?		Health Worry	Affective and Hypochondriacal Disturbance	Concern for Health
Interpersonal Functioning	IBQ4	Are you easy to get along with when you are ill?	Irritability (R)	Irritability (R)	Affective and Hypochondriacal Disturbance (R)
	IBQ48	Do you worry or fuss over small details that seem unimportant to others?		Irritability	Affective and Hypochondriacal Disturbance	General Affective State
	IBQ51	Do you find that you get angry easily?	Irritability	Irritability	Affective and Hypochondriacal Disturbance	General Affective State
	IBQ56	Are you more irritable towards other people?	Irritability	Irritability	Affective and Hypochondriacal Disturbance
	IBQ61	Do you often find that you lose patience with other people?	Irritability	Irritability	Affective and Hypochondriacal Disturbance
Other Life Worries	IBQ27	Except for your illness, do you have any problems in your life?	Denial (R)	Absence of Life Problems	Life Disruption (R)	General Affective State
	IBQ43	Do you have any family problems?	Denial (R)	Absence of Life Problems	Life Disruption (R)	General Affective State
	IBQ55	Would all your worries be over if you were physically healthy?	Denial	Absence of Life Problems (R)	Life Disruption
	IBQ60	Do you have personal worries which are not caused by physical illness?	Denial (R)	Absence of Life Problems	Life Disruption (R)
Affective Inhibition	IBQ22	Can you express your personal feelings easily to other people?	Affective Inhibition (R)	Affective Inhibition (R)	Social Inhibition (R)
	IBQ36	When you are angry, do you tend to bottle up your feelings?	Affective Inhibition	Affective Inhibition	Social Inhibition
	IBQ53	Do you prefer to keep your feelings to yourself?	Affective Inhibition	Affective Inhibition	Social Inhibition
	IBQ62	Is it hard for you to show people your personal feelings?	Affective Inhibition	Affective Inhibition	Social Inhibition

Note. (R) = reverse-scored.