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Table 3 Mood, physical complaints and personality trait measures: primary and aggregated secondary factors in 30 PCB-exposed and 30 control subjects

From: Neuropsychological effects of chronic low-dose exposure to polychlorinated biphenyls (PCBs): A cross-sectional study

 

PCB

Controls

Effect sizes

 

Mean

SD

Mean

SD

F[1,56]2

p2

d1 3

d2 3

 

Current emotional mood state 4

0.41 5

0.36 5

 

EQ Tiredness/deactivation

54.3

13

50

10

2.06

0.16

0.38

0.36

Δ

EQ Emotional reactivity

53.6

11

50

10

2.41

0.13

0.41

0.33

Δ

EQ Low well-being

55.5

13

50

10

3.29

0.07

0.49

0.47

Δ

Attentional and motivational state

0.25

0.24

 

FEDA Poor motivation and drive

50.4

12

48.2

11

0.55

0.46

   

FEDA Fatigue and slowing

52.5

11

49.7

10

1.07

0.30

0.28

0.24

Δ

FEDA Distractability

55.0

11

48.8

10

5.26

0.03

0.61

0.48

Δ

General physical well being and emotional instability (trait)

0.02

0.21

 

FPI Factor SI/impaired well-being

48.1

6

50.0

6

1.40

0.24

-0.32

-0.23

Δ

FPI Factor SII/aggr. arousability

48.3

7

52.3

7

4.44

0.04

-0.57

  

FPI 1 Poor satisfaction with life

46.6

10

49.6

10

1.35

0.25

-0.31

-0.34

Δ

FPI 5 Arousability

50.5

12

51.8

12

0.16

0.69

   

FPI 7 Emotional stress

51.9

10

51.6

10

0.01

0.92

   

FPI 8 Physical complaints

46.2

9

47.3

9

0.23

0.64

 

-0.40

 

FPI 9 Health worry

47.7

9

51.5

9

2.39

0.13

-0.42

-0.23

Δ

FPI N Emotional instability

48.4

11

47.2

11

0.16

0.69

   

FBL11 Sum of bodily complaints

54.6

9

53.4

9

0.25

0.62

 

0.48

 

FBL 1 Well-being/phys. complaints

53.9

9

49.8

9

3.22

0.08

0.48

0.41

Δ

FBL 2 Emotional reactivity

55.0

10

51.9

9

1.65

0.20

0.34

0.51

Δ

FBL 3 Cardiovascular complaints

53.1

9

52.3

9

0.12

0.73

 

0.32

 

FBL 4 Bowels and stomach

53.8

8

53.9

8

0.00

0.96

 

0.41

 

FBL 6 Tension, strain

53.2

10

52.2

10

0.17

0.68

 

0.32

 

FBL 7 Sensory sensitiveness

56.0

9

55.2

9

0.13

0.72

 

0.63

 

FBL 8 Pain

52.3

10

51.9

9

0.03

0.87

 

0.23

 

FBL 10 Skin and cold hands

54.2

10

55.9

10

0.44

0.51

 

0.42

 

ADS Depressed affect

48.0

9

47.8

12

0.01

0.94

   

Introversion

0.45

0.35

 

FPI E Introversion

54.6

11

50.4

11

2.12

0.15

0.39

0.43

Δ

FPI 6 Low Aggressivity

54.7

8

49.2

8

6.42

0.01

0.68

0.51

Δ

FPI 10 Reserve/low openness

50.9

11

45.7

10

3.63

0.06

0.51

  

FPI 3 Low achievement/work motiv.

52.6

9

52.5

9

0.00

0.97

 

0.27

 

Sociability

0.38

0.34

 

FPI4 Inhibition

52.0

11

47.9

11

2.22

0.14

0.40

  

FPI 2 Low social orientation

42.9

8

47.5

8

4.45

0.04

-0.57

-0.77

Δ

FBL 9 Motor restlessness

54.7

9

51.4

9

1.84

0.18

0.36

0.48

Δ

FBL 5 Head-neck irritation

56.1

9

51.5

9

3.73

0.06

0.52

0.63

Δ

Aggregated secondary factors

0.30

0.26

 

Current mood/emotional state

53.6

8

50.4

8

2.25

0.14

0.40

0.40

Δ

Reduced attention and motivation

52.6

10

49.7

10

1.25

0.26

0.30

0.26

Δ

Low well being/trait emotionality

49.3

7

50.4

7

0.42

0.52

   

Introversion

53.2

6

49.5

6

5.08

0.03

0.61

0.38

Δ

Low Sociability

47.4

6

47.7

6

0.02

0.88

 

-0.31

 
  1. 1 T-Score; greater values correspond to elevated feature score
  2. 2 F-values for group with control of gender, nominal α
  3. 3 Effect sizes in comparison with controls (d 1 ; with control of gender) and in comparison with normative sample (d 2 ); Δ: at least moderate effect size of d1 and d2 suggesting potential reproducibility
  4. 4 T-values relative to controls
  5. 5 Effect size median.
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Environmental Health

ISSN: 1476-069X