Agree with a lot of this methodology-- having lived in NYC with kids the #1 contributing factor to a feeling of claustrophobia for me is the size of the sidewalk and its buffering from the road.
Compared to even the suburbs where 1-2 people on a sidewalk can feel like you're dangerously close to having to step into an active roadway, sidewalks in NYC neighborhoods like the upper east side feel gigantic and are bordered by parked cars that provide a buffer to the roadway.
In 1811 the grid plan designated sidewalk widths to be 20ft for major cross-town roads vs. many suburban sidewalk widths at 4-5 feet.
I'm a big fan of this sidewalk width map: https://sidewalkwidths.nyc/