Table 2. Bivariate Association with SF-36 pain score at one year post-treatment (N=559)^a.

Characteristics	N	Mean SF-36 Pain Score*	SD	P-value
Demographics
Age
≤ 58	301	62.9	26.5	0.10
> 58	258	67.8	25.7
Sex
Male	433	65.2	26.1	0.89
Female	126	64.9	26.8
Race
Caucasian	506	65.5	25.9	0.32
Non-Caucasian	53	61.7	29.3
Marital Status (at one year)
Married	304	68.0	25.0	0.003
Single	203	60.9	27.4
Education
High school or less	245	62.7	27.5	0.05
Some college or more	313	67.1	25.1
Clinical Characteristics
Cancer Site
Pharynx	296	68.3	25.0	(Reference)
Oral cavity	134	63.2	26.5	0.04
Larynx	129	61.4	27.6	0.01
Cancer Stage
I,II	140	65.3	26.8	0.94
III,IV	419	65.1	26.1
Primary Site Surgery
Yes	211	61.8	27.0	0.02
No	347	67.2	25.6
Neck Dissection
Yes	239	61.0	26.7	0.001
No	319	68.2	25.5
Radiation
Yes	472	65.0	25.7	0.84
No	87	65.7	26.4
Chemotherapy
Yes	346	65.3	26.1	0.85
No	213	64.9	26.5
Feeding tube at one year
Yes	102	53.3	25.3	<0.001
No	455	67.9	25.7
Tracheotomy at one year
Yes	21	53.4	29.5	0.04
No	536	65.7	26.0
Xerostomia at one year
Not at all	113	71.5	27.2	<0.001
Slightly	93	70.2	23.7
Moderately	100	71.1	23.3
A lot	145	63.3	24.6
Extremely	92	49.4	25.6
Comorbidity
None or mild comorbidity	391	67.8	25.9	<0.001
Moderate or Severe comorbidity	168	59.0	26.1
Depressive Symptoms at one yearc
Yes	214	50.5	25.0	<0.001
No	330	74.9	22.1
Health Behaviors
Use of pain medicine at one year
Never	207	83.7	18.3	<0.001
Rarely	95	68.1	22.6
Sometimes	91	57.3	17.9
Frequently	71	48.0	23.0
Always	91	41.6	23.1
Smoking status at one year
Current smoker	88	50.9	25.0	<0.001
Former smoker	346	65.6	26.0
Never smoker	125	73.8	23.6
Problem Drinking at one yeard
Yes	65	48.8	25.9	<0.001
No	481	67.2	25.6
Vegetable intake
None to 1 per week	225	62.9	25.7	<0.001
2-4 per week to 5-6 per week	56	64.8	21.9
1 per day or more	139	74.0	23.6
Fruit intake
None to 1-3 per month	172	62.6	25.7	0.002
1 per week to 2-4 per week	131	66.9	23.6
5-6 per week or more	118	73.2	24.4
Physical Activity Score at one year
≤121	283	58.3	27.1	<0.001
>121	275	72.0	23.3
Sleep Score at one year
≤73	276	52.2	24.8	<0.001
>73	281	77.9	21.0

^*Lower scores signify worse pain

^a559 patients had SF-36 pain index at one year after diagnosis; numbers may not add to 559 for other variables due to missing data.

^bp-values derived from ANOVA methods (categorical variables) or Spearman test (continuous variables). Continuous variables are dichotomized by median for purpose of summarizing the means in this table.

^cGeriatric Depressive Scale Short Form ≥ 4

^dAlcohol Use Disorders Identification Test (AUDIT) ≥ 8