Figure 1: CONSORT flow diagram

 

All
(N=31)
n (%)

OCFS/CPS
(n=11)
n (%)

Other
(n=20)
n (%)

 

p-value

Gender

 

 

 

0.451

Female

30(96.8)

11(100)

19(95)

 

Other

1(3.2)

 

1(5)

 

Marital Status

 

 

 

0.090

Single

8(25.8)

1(9)

7(35)

 

Married

19(61.3)

10(91)

9(45)

 

Divorced

1(3.2)

 

1(5)

 

Living with significant other

3(8.7)

 

3(15)

 

Household Income

 

 

 

0.194

<$50,000

9(29)

1(9)

7(35)

 

$50,000-99,999

14(45.2)

6(55)

8(40)

 

>$100,000

8(25.8)

4(36)

4(20)

 

Do not wish to provide

1(3.2)

 

1(5)

 

Race and Ethnicity

 

 

 

0.609

American Indian or Alaskan

1(3.2)

 

1(5)

 

Native

 

 

 

 

Black or African American

1(3.2)

 

1(5)

 

White/Caucasian

28(90.3)

11(100)

17(85)

 

Other

1(3.2)

 

1(5)

 

Occupation Category

 

 

 

 

OCFS/CPS†

11(35.5)

 

 

 

Other

20(64.5)

 

 

 

Social Worker Level*

 

 

 

0.049

BS

14(45.2)

7(64)

7(35)

 

MS

3(9.7)

1(9)

2(10)

 

LMSW

5(16.1)

 

5(25)

 

LCSW

5(16.1)

 

5(25)

 

Other

14(12.9)

3(2)

1( 5)

 

Time Employed as Social Worker

 

 

 

0.332

< 5 years

10(32.3)

5(45)

8(40)

 

≥ 5 years

18(58.1)

6(55)

12(60)

 

% Time Work on Cases in Office

 

 

 

0.390

<50%

11(35.5)

5(45)

6(30)

 

≥50%

30(64.5)

6(55)

14(70)

 

% Time Work on Cases Out of Office

 

 

 

0.664

<50%

24(77.4)

9(82)

15(75)

 

≥50%

7(22.6)

2(18)

5(25)

 

% Time in Direct Contact with Cases

 

 

 

0.291

<50%

13(42.0)

6(55)

7(35)

 

≥50%

18(58.1)

5(45)

13(65)

 

*p < 0.05 between OCFS/CPS and Other
Table 1: Demographic and Job Characteristics of 31 case workers

 

All
(n=31)

OCFS/CPS
(n=11)

Other
(n=20)

p-value††

Effect size

 

 

 

 

 

Mean (SD)

Mean (SD)

Mean (SD)

 

 

Usual Daily Intake (mg/d)

320.7 (218.9)

340.9 (269.0)

308.3 (189.5)

0.704

 

 

n(%)

n(%)

n(%)

 

 

Sources

 

 

 

 

 

Soda

14(45.2)

6(54.5)

8(4.00)

0.436

 

Tea

19(61.3)

6(54.5)

13(65.0)

0.567

 

Coffee

26(83.9)

9(81.8)

17(85.0)

0.818

 

Energy Drinks

3(9.7)

1(9.1)

 2(10.0)

0.935

 

Chocolate

27(87.1)

10(90.9)

17(85.0)

0.639

 

Excedrin

12(38.7)

5(45.5)

 7(35.0)

0.567

 

No Doze

1(3.2)

 

 1(5.0)

0.451

 

Situations Consume Caffeine

 

 

 

 

 

Playing video games
Participating in a sports event

3(9.7)
4(12.9)

2(18.2)
2(18.2)

1(5.0)
2(10.0)

0.235
0.516

 

 

Working towards a deadline

21(67.7)

7(63.6)

14(70.0)
 

0.717

 

Staying up late

13(41.9)

4(36.4)

9(45.0)

0.641

 

Performing normal routine after not enough sleep

27(87.1)

 

8(72.7)

 

19(95.0)

 

0.077

 

 

 

Don’t drink during any of these*

3(9.7)

3(27.3)

 

0.014

0.195

Reasons why

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Like the taste

26(83.9)

8(72.7)

18(90.0)

0.211

 

Want energy boost*

24(77.4)

6(54.5)

18(90.0)

0.024

0.165

Gives me a rush

7(22.6)

3(27.3)

 4(20.0)

0.643

 

Helps me concentrate

19(61.3)

5(45.5)

14(70.0)

0.179

 

Helps me stay awake and alert*

24(77.4)

6(54.5)

 18(90.0)

 0.024

0.165

Helps my athletic performance

1(3.2)

 

 1(5.0)

0.451

 

Friends drink them a lot

3(9.7)

2(18.2)

 1(5.0)

0.235

 

Fits my self-image

3(9.7)

1(9.1)

 2(10.0)

0.935

 

Good for my health

5(16.1)

1(9.1)

 4(20.0)

0.429

 

Reasons why not

 

 

 

 

 

Don’t like the taste*

7(23.3)

 

 7(35.0)

0.033

 

Makes me jittery**

15(50.0)

 

14(70.0)

0.002

 

Gives me headaches*

7(23.3)

 

 7(35.0)

 0.033

 

Don’t like the ‘crash’ after jolt*

12(40.0)

 

 11(55.0)

 0.018
 

 

Harder for me to fall asleep

18(60.0)

 

14(70.0)

0.189
 

 

Hurts my athletic performance

1(3.3)

 

 1(5.0)

0.472

 

Too expensive

4(13.3)

 

 5(25.0)

 0.760

 

Friends don’t consume caffeine

1(3.3)

 

1(5.0)

 0.472

 

Doesn’t fit my self-image

1(3.3)

 

 1(5.0)

 0.472

 

It’s bad for my health*

8(26.7)

 

 8(40.0)

 0.020

0.182

Agree with typical effects

 

 

 

 

 

 Provide a boost or ‘jolt’ of energy*

21(67.7)

5(45.5)

16(80)

 0.049
 

0.125

 Improve concentration/memory

12(38.8)

5(45.5)

 7(35.0)

 0.567

 

 Improve athletic performance

4(12.9)

1(9.1)

 3(15.0)

 0.639

 

†30 responses; ††OCFS/CPS compared to other
*p < 0.05, **p < 0.01
Table 2: Caffeine intake amounts, sources, situations, and reasons among 31 case workers

 

All
(N=31)

OCFS/CPS
(n=11)

Other
(n=20)

 

p-value†

 

Effect size

 

Mean(SD)

Mean(SD)

Mean(SD)

Mean(SD)

 

Work satisfaction*
Organization respect for employee
Employer care
Work intrusion into private life**

20.5(7.6)
12.7(6.0)
15.3(6.8)
13.8(5.2)

 15.9(7.1)
 10.4(5.9)
 13.6(6.8)
 16.6(4.4)

23.1(6.6)
14.0(5.7)
16.2(6.8)
12.3(5.1)

0.009
0.106
0.323
0.023

0.214

 

0.167

†OCFS/CPS compared to other
*p < 0.05; **p < 0.01
Table 3: Workplace well-being by domain among 31 case workers