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Table 1 Characteristics of the subjects based on the tertile of PUFAs intake (N = 402)

From: The association between polyunsaturated fatty acids and depression among Iranian postgraduate students in Malaysia

Variables T1 T2 T3 P
  (N = 134) (N = 134) (N = 134)  
Depression Symptoms, % 38.1 23.9 29.1 0.038
Living in Campus, % 41.0 47.0 38.8 0.372
Current Smoking, % 7.5 10.4 9.0 0.693
Former Smoking, % 4.5 4.5 3.0 0.771
Married, % 44.0 56.7 54.5 0.085
Close Friends 6.00 (4.50) 7.00 (5.00) 7.86 (5.5) 0.124
PUFAs (g/day) 7.18 ± 2.12 12.67 ± 1.73 27.84 ± 10.85 0.000
SFAs (g/day) 12.03 ± 6.20 17.92 ± 7.49 32.51 ± 17.72 0.000
MUFAs (g/day) 10.86 ± 4.09 17.43 ± 6.15 34.00 ± 19.95 0.000
Age (y) 32.32 ± 6.00 32.69 ± 6.44 32.60 ± 6.17 0.879
BMI (kg/m2) 24.06 ± 3.77 24.52 ± 4.72 24.40 ± 4.23 0.669
Sex, Female/Male 45.0/54.5 36.6/63.4 47.0/53.0 0.175
Studying (y) 20.12 ± 2.11 20.45 ± 2.35 20.53 ± 2.50 0.311
Monthly Expenses ($) 761.10 ± 500.60 922.04 ± 447.94 970.67 ± 489 ± 61 0.001
  1. T = Tertile; y = Year; SFAs = Saturated fatty acids; MUFAs = Monounsaturated fatty acids; PUFAs = Polyunsaturated fatty acids; BMI = Body mass index.