Questions

Codes

Answer

General Information

Q1

Record number

|_________|

Q2

Date of registration

Date of registration in the study

|___|___|___|

Q3

Personnel number

Give the participant’s registration number in the structure

|_________|

Q4

Phone number

...............................................................

Socio-demographic characteristics

Q5

Age (Years)

Number of years completed

|_________|

Q6

Sex

Female = 0; Male = 1

|_________|

Q7

Nationality

Beninese = 0; Others = 1(Specify.............)

|_________|

Q8

Marital status

Single = 0; Couple = 1;

Divorced = 2; Widowed = 3

|_________|

Q13

Level of education

Never attended = 0; Literate = 1;

Primary = 2; Secondary = 3; Higher = 4

|_________|

Work center information

Q14

How many years have you been working in the milling factory of Dantokpa market?

Specify the number of years of exercise; 999 if not applicable

|_________|

Q15

What is your professional status?

Mill owner = 0

Serving a leader = 1

|_________|

Q16

How many hours do you work a day?

1-2 years = 0

More than 2 years = 1

|_________|

Q17

Noise level measurement at the station

Inf 85 dB = 0

85 - 90 dB = 1

Sup 90 dB = 2

|_________|

Q18

Do you have personal protective equipment (PPE) against noise?

No = 0; Yes = 1

Q19

If yes, name them and show them

|_________|

Q20

Does your job require you to be in constant noise all day?

No = 0; Yes = 1

Q21

Do you take a break at your workstation?

No = 0; Yes = 1

Q22

If so, what do you do during the break?

You stay at the station = 1

You are leaving the position = 2 Other to be specified = 3

Q23

Do you have any activities outside of milling that expose you to noise?

No = 0; Yes = 1

|_________|

Background

Q24

What is your smoking status?

Non-smoker = 0; Current smoker = 1; Ex-smoker = 2; Passive smoker = 3

|_________|

Q25

Do you have an ENT history before starting to work in the milling industry? (otitis, tympanic perforation, trauma)

No = 0; Yes = 1

|_________|

Complaints

Q26

Do you speak normally at work to make yourself heard?

No = 0; Yes = 1

|_________|

Q27

Do you know the health effects of noise?

Acute cough = 0; Chronic dry cough = 1; Chronic productive cough = 2; Not applicable = 9

|_________|

After 8 hours of work do you experience the following symptoms?

No = 0; Yes = 1

|_________|

Q28

Headaches

No = 0; Yes = 1

|_________|

Q29

Ringing/whistling in the ears

No = 0; Yes = 1

|_________|

Q30

Sensation of hearing loss

No = 0; Yes = 1

|_________|

Q31

Fatigue

No = 0; Yes = 1

|_________|

Q32

Perceived stress (visual stress scale reading)

No = 0; Yes = 1

|_________|

Q33

Irritability

No = 0; Yes = 1

|_________|

Q34

Sleep disorder

No = 0; Yes = 1

|_________|

Q35

Dizziness

No = 0; Yes = 1

|_________|

Q36

Palpitation

No = 0; Yes = 1

|_________|

Q37

Anxiety

No = 0; Yes = 1

|_________|

Q38

Concentration problems

No = 0; Yes = 1

|_________|

General review

Q39

Weight (kgs)

|_________|

Q40

Size (cm)

|_________|

Q41

Body mass index (kg/m²)

|_________|

Q42

Systolic blood pressure (mmHg)

|_________|

Q43

Diastolic blood pressure (mmHg)

|_________|

Physical examination

Q44

Otoscopic examination

Normal = 0 ; Abnormal = 1

(discharge, inflamed EAC,

AOM, perforated eardrum)

|_________|

Audiometric results