Frequency TablesBack

[Q1] 【For all respondents】Did you experience any mental tiredness / energy slump at work before? (If yes, interviewers to probe frequency)

	Frequency		Percentage
Yes --- very often	108	)	20.9%	)
Yes --- quite often	71	)	13.7%	)
Yes --- sometimes	242	)	47.0%	)
Yes --- seldom	58	) 479	11.2%	) 92.8%
Never	37		7.2%
Total	515		100.0%
Base	515
Missing case(s)	0

[Q2] 【Only for those who answered "Yes" in Q1】Generally speaking, during which period of the day would you experience such tiredness most often?

	Frequency		% of sub-sample (Base = 479)		% of total sample (Base = 515)
Morning	46		9.6%		8.9%
After lunch	57	)	11.9%	)	11.1%	)
Afternoon	172	) 229	35.9%	) 47.8%	33.4%	) 44.5%
Before getting off duty	75		15.7%		14.6%
Overtime / At night	93		19.4%		18.1%
All day long	10		2.1%		1.9%
Others	5		1.0%		1.0%
Don't know / Hard to say	16		3.3%		3.10%
Total	474		100.0%
Base	479
Missing case(s)	5

[Q3] 【Only for those who answered "Yes" in Q1】What do you feel when you are mentally tired at work? How do you describe your feeling? (Interviewer do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 697)	% of sub-sample (Base = 479)	% of total sample (Base = 515)
Sleepiness (e.g. yawning)	240	34.4%	50.1%	46.6%
Difficult to concentrate	103	14.8%	21.5%	20.0%
Headache / Dizziness	79	11.3%	16.5%	15.3%
Muscle pain and tiredness	72	10.3%	15.0%	14.0%
Having trouble to function properly	40	5.7%	8.4%	7.8%
Become emotional / bad-tempered	32	4.6%	6.7%	6.2%
Feeling stressed	30	4.3%	6.3%	5.8%
Eye fatigue / pain / dry	24	3.4%	5.0%	4.7%
Lower productivity	12	1.8%	2.5%	2.3%
Easy to forget things	12	1.7%	2.5%	2.3%
Not feeling well all over	8	1.2%	1.7%	1.6%
Others	28	4.0%	5.8%	5.4%
Don't know / Hard to say	16	2.4%	3.3%	3.1%
Total	697	100.0%
Base	479
Missing case(s)	10

[Q4] 【Only for those who answered "Yes" in Q1】Generally speaking, how long does such mental tiredness last each time?

	Frequency		% of sub-sample (Base = 479)		% of total sample (Base = 515)
1－15 minutes	106	)	22.1%	)	20.6%	)
16－30 minutes	101	)	21.1%	)	19.6%	)
31－60 minutes	52	) 259	10.9%	) 54.1%	10.1%	) 50.3%
1 hour 1 minute－2 hours	65		13.6%		12.6%
2 hour 1 minute－3 hours	34		7.1%		6.6%
3 hour 1 minute－4 hours	23		4.8%		4.5%
More than 4 hours	28		5.8%		5.4%
Don't know / Don't remember	65		13.6%		12.6%
Total	474		100.0%
Mean	1 hour 53 minutes
Standard error	11 minutes
Median	30 minutes
Base	479
Missing case(s)	5

[Q5] 【Only for those who answered "Yes" in Q1】Do you think such mental tiredness has a negative impact on your overall work performance? (If yes, interviewers to probe degree of seriousness)

	Frequency		% of sub-sample (Base = 479)		% of total sample (Base = 515)
Yes --- Very serious	9	)	1.9%	)	1.7%	)
Yes --- Quite serious	109	)	22.8%	)	21.2%	)
Yes --- Not quite serious	191	)	39.9%	)	37.1%	)
Yes --- Not serious at all	69	) 378	14.4%	) 78.9%	13.4%	) 73.4%
No	95		19.8%		18.4%
Don't know / Hard to say	6		1.3%		1.2%
Total	478		100.0%
Base	479
Missing case(s)	1

[Q6] 【Only for those who answered "Yes" in Q1】What would you usually do when you experience mental tiredness at work, in order to boost your mental energy? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 774)	% of sub-sample (Base = 479)	% of total sample (Base = 515)
Have a drink	226	29.2%	47.2%	43.9%
Take a walk outside the office	162	21.0%	33.8%	31.5%
Wash face / Go to the washroom	80	10.3%	16.7%	15.5%
Take a nap	70	9.0%	14.6%	13.6%
Have some snacks	64	8.2%	13.4%	12.4%
Do some exercises	41	5.3%	8.6%	8.0%
Chat with colleagues / Make a phone call	37	4.7%	7.7%	7.2%
Listen to some music / Watch TV	16	2.0%	3.3%	3.1%
Smoke a cigarette	12	1.6%	2.5%	2.3%
Look at the scenery outside the window	8	1.0%	1.7%	1.6%
Browse the Internet	3	0.4%	0.6%	0.6%
Others	14	1.8%	2.9%	2.7%
Do nothing	39	5.1%	8.1%	7.6%
Don't know/ Hard to say	2	0.3%	0.4%	0.4%
Total	774	100.0%
Base	479
Missing case(s)	1

[Q7] 【For all respondents】Then, what would you do to further boost your mental energy even if you are not experiencing any mental tiredness at work? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 580)	% of total sample (Base = 515)
Have a drink	112	19.3%	21.7%
Wash face	70	12.0%	13.6%
Do some exercises	60	10.3%	11.7%
Have some snacks	54	9.3%	10.5%
Take a nap	31	5.4%	6.0%
Chat with colleagues / Make a phone call	23	4.0%	4.5%
Take a walk outside the office	23	3.9%	4.5%
Listen to some music / Watch TV	19	3.3%	3.7%
Smoke a cigarette	13	2.2%	2.5%
Browse the Internet / Play online games	6	1.1%	1.2%
Look at the scenery outside the window	4	0.6%	0.8%
Others	21	3.5%	4.1%
Do nothing	114	19.6%	22.1%
Don't know/ Hard to say	32	5.5%	6.2%
Total	580	100.0%
Base	515
Missing case(s)	4

[Q8] 【For all respondents】 Have you ever consumed any snacks to recharge yourself at work? (If yes, interviewer to ask "How often do you consume snacks to recharge yourself at work?")

	Frequency		Percentage
Yes --- very often	57	)	11.1%	)
Yes --- quite often	31	)	6.1%	)
Yes --- sometimes	144	)	28.0%	)
Yes --- seldom	100	) 332	19.4%	) 64.6%
Never	179		34.8%
Don't know / Hard to say	3		0.6%
Total	515		100.0%
Base	515
Missing case(s)	0

[Q9] 【Only for those who answered "yes" in Q8】What would you usually eat then? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 533)	% of sub-sample (Base = 332)	% of total sample (Base = 515)
Biscuits	158	29.7%	47.6%	30.7%
Candies	131	24.5%	39.5%	25.4%
Chewing gum	64	12.0%	19.3%	12.4%
Chocolate	62	11.6%	18.7%	12.0%
Potato chips	26	4.8%	7.8%	5.0%
Preserved plum / Beef jerk / Pork jerk	21	4.0%	6.3%	4.1%
Fruits	18	3.4%	5.4%	3.5%
Toasts / Sandwiches	15	2.8%	4.5%	2.9%
Chicken wings	6	1.1%	1.8%	1.2%
French fries	4	0.8%	1.2%	0.8%
Others	19	3.5%	5.7%	3.7%
Don't know/ Hard to say	10	1.9%	3.0%	1.9%
Total	533
Base	332
Missing case(s)	1

[Q10] 【For all respondents】 Have you ever consumed any drinks to recharge yourself at work? (If yes, interviewer to ask "How often do you consume drinks to recharge yourself at work?")

	Frequency		Percentage
Yes --- very often	126	)	24.4%	)
Yes --- quite often	48	)	9.3%	)
Yes --- sometimes	172	)	33.4%	)
Yes --- seldom	71	) 417	13.7%	) 80.8%
Never	95		18.5%
Don't know / Hard to say	3		0.7%
Total	515		100.0%
Base	515
Missing case(s)	0

[Q11] 【Only for those who answered "yes" in Q10】What would you usually drink then? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 583)	% of sub-sample (Base = 417)	% of total sample (Base = 515)
Tea (all kinds)	195	33.4%	46.8%	37.9%
Water	151	25.9%	36.2%	29.3%
Coffee	138	23.7%	33.1%	26.8%
Soft drink	52	8.9%	12.5%	10.1%
Juice	25	4.3%	6.0%	4.9%
Energy drink	9	1.5%	2.2%	1.7%
Ovaltine / Horlicks	4	0.7%	1.0%	0.8%
Essence of chicken	2	0.4%	0.5%	0.4%
Milk	2	0.3%	0.5%	0.4%
Others	4	0.8%	1.0%	0.8%
Don't know/ Hard to say	1	0.1%	0.2%	0.2%
Total	583	100.0%
Base	417
Missing case(s)	2

[Q12] 【For all respondents】Do you know what substances in our food are essential for maintaining our normal mental energy? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 549)	% of total sample (Base = 515)
Caffeine	219	39.8%	42.5%
Glucose	20	3.7%	3.9%
Carbohydrates	12	2.1%	2.3%
Substances in tea	10	1.9%	1.9%
Vitamins	7	1.3%	1.4%
Sugar	5	1.0%	1.0%
Protein	2	0.3%	0.4%
Others	28	5.2%	5.4%
Don't know / Hard to say	246	44.8%	47.8%
Total	549	100.0%
Base	515
Missing case(s)	10

[Q13] 【For all respondents】 Do you know the main functions of glucose to our brain and bodies? (Interviewers do not read out the answers, multiple answers allowed)

	Frequency	% of total responses (Base = 546)	% of total sample (Base = 515)
Recuperate body energy after exercise	114	20.8%	22.1%
Provide energy source for all brain functions	82	14.9%	15.9%
Body building and maintenance	37	6.8%	7.2%
Nutritional supplements for hospitalized patients	17	3.1%	3.3%
Provide sugars / blood glucose	14	2.6%	2.7%
Others	12	2.1%	2.3%
Don't know / Hard to say	270	49.5%	52.4%
Total	546	100.0%
Base	515
Missing case(s)	2