Table 2 Description of items considered as indicators of neighborhood and household chaos

1

Interior Noise Rating [34]

House is not overly noisy (e.g., TV, shouts of children, radio, nearby roads or thoroughfares)

No;

Yes

How would you rate the amount of noise inside the home? Focus on the noise produced by appliances, people, animals, etc. inside the home

Very quiet;

Fairly quiet;

Somewhat noisy;

Very noisy

2

Hear Exterior Noise Inside [34]

Neighborhood noise around the home

Cannot rate;

Very quiet;

Average;

Noisy;

Very noisy

Is noise from outside the home audible when standing inside the home? Is there presence of loud ambient sounds (e.g., trains, construction, factories, traffic, people outside)?

No;

Yes

3

Rating of Exterior Noise Audible Inside [34]

Neighborhood noise around the home

Cannot rate;

Very quiet;

Average;

Noisy;

Very noisy

How would you rate the amount of outside noise audible from inside the home?

Very quiet;

Fairly quiet;

Somewhat noisy;

Very noisy

4

Noise Pollution [46]

Noise Pollution

None;

A little;

Some;

A lot

Is there presence of loud ambient sounds? Can you hear trains, construction, factories, loud engines, etc.?

No;

Yes

5

Exterior Noise Rating [49]

Amount of Noise

Very quiet;

Fairly quiet;

Somewhat noisy;

Very noisy

How would you rate the level of noise overall?

Very quiet;

Fairly quiet;

Somewhat noisy;

Very noisy

6^*

Number of Changes to Household Roster

Sum of total changes (e.g., people leaving or joining household) to household roster between 18- and 24-month assessment

No changes;

1 change;

2 or more changes

7^*

Regular Mealtime Routine [50]

Mealtimes occur at the same time each day

Strongly disagree;

Disagree;

Neither agree nor disagree;

Agree;

Strongly agree

8^*

Number of Adults in the Household

Sum of the total number of adults (age ≥ 18 years) in household at 24-month visit

1 adult;

2 adults;

3 adults;

4 or more adults

9^*

Number of Children in the Household

Sum of the total number of children (age < 18 years) in household at 24-month visit

1 child;

2 children;

3 children;

4 or more children

10^*

Caregiver Marital Status Change

During our last visit, you told us that your marital status was: [MARITAL STATUS]. Is this your current marital status or has your marital status changed?

Did not change;

Did changed

11^*

Total Residential Moves

How many times have you moved since [CHILD] was born?

Did not move;

Once;

Twice;

3 times

4 time;

More than 4 times

0 times;

1 time;

2 or more times

12^*

Regular Bedtime Routine [51]

Do you have a regular routine of things you do with [CHILD] when you put [HIM/HER] to sleep?

No;

Yes

13

Cluttered Interior [47]

All visible rooms of the house are reasonably clean and minimally cluttered.

The house is reasonably clean and minimally cluttered

No;

Yes

14

Crowded with Furniture [47]

In terms of available floor space, the rooms are not overcrowded with furniture.

Rooms are overcrowded with furniture

No;

Yes

15

Commotion [37]

There is very little commotion in our home

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

There is very little commotion in the home

No;

Yes

16

Interruptions [37]

At home we can talk to each other without being interrupted

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

Family members talk without interrupting one another

No;

Yes

17

Preparedness Rating [34]

Home visit preparation by the household

Cannot rate;

Surprised/difficulty;

Aware but unprepared;

Aware/ready;

Good hosts

How prepared did the household appear for the home visit?

Not at all prepared; Somewhat prepared;

Quite a bit prepared;

Very much prepared

18

Loud Speaking [37]

You can’t hear yourself think in our home

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

Family members speak to one another in an elevated volume

No;

Yes

19

Telephone Use [37]

The telephone takes up a lot of our time at home

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

The telephone took up a lot of time in the home (e.g., ringing or active phone conversations)

No;

Yes

20^†

Arguments [37]

I often get drawn into other people’s arguments at home

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

Family members are drawn into other people’s arguments in the home

No;

Yes

21^†

Rushed [37]

We almost always seem to be rushed

Very much like your own home;

Somewhat like your own home;

A little bit like your own home;

Not at all like your own home

Family members appear rushed

No;

Yes