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Table 3 Sensitivity analyses. Hazard Ratios and Confidence Intervals (95%) of incident depression according to the level of competitiveness, tension and dependency

From: Self-perceived level of competitiveness, tension and dependency and depression risk in the SUN cohort

 

N

Incident

Low

Moderate

High

P for trend

  

depression

(1–4)

(5–6)

(7–10)

 

Competitiveness

 Main analyses Model 4

15,604

902

1 (ref)

0.84 (0.64–1.10)

0.78 (0.61–1.01)

0.105

 Excluding late cases (>  10 y of follow-up)

7319

310

1 (ref)

1.15 (0.72–1.85)

0.96 (0.61–1.53)

0.368

 Only men

6367

266

1 (ref)

1.00 (0.58–1.72)

0.86 (0.52–1.43)

0.338

 Only women*

9237

636

1 (ref)

0.78 (0.57–1.07)

0.78 (0.58–1.05)

0.311

 Age < 35 y

7550

444

1 (ref)

0.65 (0.46–0.92)

0.61 (0.44–0.84)

0.028

 Age ≥ 35 y**

8054

458

1 (ref)

1.22 (0.78–1.89)

1.09 (0.71–1.66)

0.714

 Excluding cancer and cardiovascular disease prevalent

14,853

857

1 (ref)

0.84 (0.64–1.11)

0.79 (0.61–1.02)

0.111

 Excluding early cases (2 first y)

15,354

652

1 (ref)

0.84 (0.62–1.15)

0.76 (0.56–1.02)

0.067

Tension

 Main analyses Model 4

15,604

902

1 (ref)

1.32 (1.07–1.62)

1.85 (1.52–2.24)

< 0.001

 Excluding late cases (>  10 y of follow-up)

7319

310

1 (ref)

1.11 (0.79–1.57)

1.42 (1.03–1.96)

0.017

 Only men

6367

266

1 (ref)

1.11 (0.75–1.65)

1.88 (1.32–2.66)

< 0.001

 Only women¥

9237

636

1 (ref)

1.40 (1.10–1.80)

1.81 (1.43–2.28)

< 0.001

 Age < 35 y

7550

444

1 (ref)

1.25 (0.95–1.66)

1.76 (1.36–2.29)

< 0.001

 Age ≥ 35 y¥¥

8054

458

1 (ref)

1.47 (1.08–2.00)

2.00 (1.50–2.67)

< 0.001

 Excluding cancer and cardiovascular disease prevalent

14,853

857

1 (ref)

1.33 (1.07–1.65)

1.87 (1.53–2.29)

< 0.001

 Excluding early cases (2 first y)

15,354

652

1 (ref)

1.36 (1.06–1.73)

1.86 (1.49–2.33)

< 0.001

Dependency

 Main analyses Model 4

15,604

902

1 (ref)

1.24 (1.01–1.54)

1.23 (1.06–1.44)

0.004

 Excluding late cases (>  10 y of follow-up)

7319

310

1 (ref)

1.29 (0.89–1.88)

1.42 (1.10–1.84)

0.005

 Only men

6367

266

1 (ref)

1.53 (1.02–2.31)

1.32 (1.00–1.74)

0.026

 Only womenǂ

9237

636

1 (ref)

1.15 (0.90–1.47)

1.22 (1.01–1.47)

0.031

 Age < 35 y

7550

444

1 (ref)

1.16 (0.88–1.54)

1.06 (0.84–1.33)

0.503

 Age ≥ 35 yǂǂ

8054

458

1 (ref)

1.36 (0.99–1.87)

1.40 (1.13–1.72)

0.001

 Excluding cancer and cardiovascular disease prevalent

14,853

857

1 (ref)

1.30 (1.03–1.59)

1.30 (1.11–1.52)

0.001

 Excluding early cases (2 first y)

15,354

652

1 (ref)

1.23 (0.96–1.57)

1.18 (0.98–1.41)

0.052

  1. Model 1: Adjusted for age at recruitment (10 groups), sex, total energy intake (continuous variable)
  2. Model 2: Additionally adjusted for BMI (continuous variable), tobacco consumption (never, former, current smoker < 15 cigarettes per day, and current smoker > 15 cigarettes per day), alcohol consumption (continuous variable), total physical activity per week (continuous variable), sedentariness (continuous variable), Mediterranean diet score (continuous variable), total years of college (continuous variable), health professionals (yes, no), marital status (single, married, and others), employment status (employed, unemployed/ retired, homemaker and student), prevalence of diabetes (yes, no), prevalence of hypertension (yes, no), prevalence of hypercholesterolemia (yes, no), prevalence of cancer (yes, no)
  3. Model 3: Additionally adjusted for fast food consumption (continuous variable), trans fatty acids intake (continuous variable), nutritional supplements intake (yes, no), snack consumption between main meals (yes, no), and follows a special diet (yes, no)
  4. Model 4: Additionally adjusted for the other two personality traits according to assessed trait; competitiveness, (low, moderate, high), tension (low, moderate, high), o dependency (low, moderate, high)
  5. HR estimated with Cox regression and CI of 95%
  6. * p for interaction: 0.821; ** p for interaction: 0.087; ¥ p for interaction: 0.278; ¥¥p for interaction: 0.490; ǂ p for interaction: 0.363; ǂ ǂ p for interaction: 0.140;